"Date","Open","High","Low","Close","Volume","Adj.Close"
"2011-12-30",55.87,56.12,55.82,55.83,21832400,55.83
"2011-12-29",55.68,56.03,55.5,55.99,28077900,55.99
"2011-12-28",56.17,56.26,55.44,55.59,38180100,55.59
"2011-12-27",55.99,56.42,55.93,56.24,21443500,56.24
"2011-12-23",55.71,56.08,55.58,56.08,26594600,56.03
"2011-12-22",55.25,55.63,55.17,55.6,40334100,55.55
"2011-12-21",55.6,55.64,54.49,55.13,78552300,55.08
"2011-12-20",55.2,56,55.17,55.93,81758800,55.88
"2011-12-19",55.07,55.2,54.17,54.32,46733900,54.27
"2011-12-16",54.87,55.61,54.77,54.86,60978900,54.81
"2011-12-15",55.36,55.42,54.66,54.74,58732900,54.53
"2011-12-14",55.55,55.59,54.58,54.89,63682800,54.68
"2011-12-13",56.75,56.98,55.53,55.76,68557700,55.55
"2011-12-12",56.42,57.01,55.9,56.38,55411700,56.17
"2011-12-09",56.26,57.19,56.24,57.02,55757900,56.8
"2011-12-08",56.71,57.15,56.01,56.12,51692600,55.91
"2011-12-07",56.92,57.34,56.35,57.08,44576200,56.86
"2011-12-06",57.29,57.45,56.89,57.08,38670000,56.86
"2011-12-05",57.47,57.62,56.92,57.24,40492200,57.02
"2011-12-02",57.34,57.34,56.57,56.62,36938900,56.4
"2011-12-01",56.38,56.93,56.35,56.78,45362200,56.56
"2011-11-30",55.86,56.44,55.67,56.39,66918600,56.18
"2011-11-29",54.69,55.1,54.22,54.38,52056700,54.17
"2011-11-28",54.17,54.79,54.14,54.72,46710700,54.51
"2011-11-25",53.06,53.67,52.87,52.88,25448100,52.68
"2011-11-23",54.11,54.17,53.26,53.29,48437300,53.09
"2011-11-22",54.17,54.68,53.87,54.52,51940100,54.31
"2011-11-21",54.65,54.73,53.78,54.34,52283700,54.13
"2011-11-18",55.84,55.9,55.3,55.4,60417000,55.19
"2011-11-17",57.01,57.04,55.48,55.83,101564300,55.62
"2011-11-16",57.71,58.16,57.06,57.17,68342800,56.95
"2011-11-15",57.32,58.36,57.26,58.13,52203900,57.91
"2011-11-14",57.69,58.01,57.28,57.49,44617600,57.27
"2011-11-11",57.27,58.02,57.2,57.85,54471000,57.63
"2011-11-10",57.37,57.42,56.23,56.78,66052400,56.56
"2011-11-09",57.74,57.83,56.63,56.81,69539000,56.59
"2011-11-08",58.63,58.98,57.97,58.88,62906900,58.66
"2011-11-07",57.76,58.25,57.17,58.21,65559000,57.99
"2011-11-04",57.82,58.05,57.22,57.8,61527800,57.58
"2011-11-03",57.37,58.18,56.71,58.1,78994200,57.88
"2011-11-02",57.03,57.16,56.38,56.92,65178800,56.7
"2011-11-01",56.52,57.91,56.12,56.44,99933000,56.22
"2011-10-31",58.43,58.64,57.91,57.95,60520200,57.73
"2011-10-28",58.52,59.01,58.5,58.94,42950000,58.72
"2011-10-27",58.64,59.2,58.03,58.85,104455500,58.63
"2011-10-26",57.66,57.78,56.21,57.27,98193800,57.05
"2011-10-25",58.3,58.32,57.22,57.34,65299200,57.12
"2011-10-24",57.51,58.65,57.31,58.49,61449500,58.27
"2011-10-21",57.19,57.66,56.78,57.3,60455800,57.08
"2011-10-20",56.86,56.92,55.79,56.59,80378300,56.37
"2011-10-19",57.67,57.85,56.68,56.87,67639400,56.65
"2011-10-18",57.19,58.29,56.66,57.99,91434600,57.77
"2011-10-17",57.91,58.09,56.97,57.28,65161300,57.06
"2011-10-14",57.82,58.19,57.51,58.18,65643600,57.96
"2011-10-13",56.49,57.19,56.43,57.12,63443700,56.9
"2011-10-12",56.86,57.23,56.56,56.6,85627600,56.38
"2011-10-11",55.79,56.46,55.7,56.32,66449100,56.11
"2011-10-10",54.99,55.94,54.89,55.94,48230200,55.73
"2011-10-07",54.4,54.66,53.72,54.07,72525200,53.86
"2011-10-06",53.46,54.44,53.21,54.43,71939200,54.22
"2011-10-05",52.06,53.68,51.66,53.53,108825700,53.33
"2011-10-04",50.62,52.29,50.1,52.19,137013700,51.99
"2011-10-03",52.02,52.85,51.11,51.14,99149500,50.95
"2011-09-30",53.16,53.61,52.46,52.49,104870100,52.29
"2011-09-29",55.36,55.43,52.97,53.88,116900200,53.67
"2011-09-28",55.59,55.97,54.4,54.53,76757100,54.32
"2011-09-27",55.71,56.2,54.98,55.35,81148600,55.14
"2011-09-26",54.42,54.88,53.21,54.78,96261400,54.57
"2011-09-23",53.13,54.38,53.09,54.15,85921800,53.94
"2011-09-22",53.97,54.46,52.75,53.58,151885500,53.38
"2011-09-21",56.65,56.93,55.37,55.38,79938000,55.17
"2011-09-20",56.9,57.35,56.23,56.36,66570100,56.15
"2011-09-19",55.89,56.91,55.43,56.61,73042900,56.39
"2011-09-16",56.2,56.65,56.09,56.59,91902100,56.37
"2011-09-15",55.96,56.28,55.39,56.18,83536100,55.86
"2011-09-14",54.86,55.98,54.32,55.36,90757300,55.05
"2011-09-13",54.06,54.69,53.8,54.58,59020000,54.27
"2011-09-12",52.59,53.9,52.57,53.86,65973000,53.56
"2011-09-09",54.01,54.24,52.85,53.18,63663500,52.88
"2011-09-08",54.36,55.17,54.21,54.39,61422800,54.08
"2011-09-07",54.05,54.65,53.9,54.64,48952200,54.33
"2011-09-06",52.04,53.37,51.91,53.29,52992200,52.99
"2011-09-02",53.58,54.61,52.99,53.28,58185700,52.98
"2011-09-01",55.2,55.64,54.46,54.56,57158400,54.25
"2011-08-31",55.3,55.74,54.6,55.06,60900400,54.75
"2011-08-30",54.41,55.3,54.11,54.97,61617900,54.66
"2011-08-29",53.66,54.67,53.64,54.61,45985800,54.3
"2011-08-26",51.66,53.31,51.15,53.13,91573300,52.83
"2011-08-25",52.66,52.9,51.65,51.83,93623700,51.54
"2011-08-24",52.13,52.79,51.71,52.69,80197700,52.39
"2011-08-23",50.55,52.28,50.34,52.28,75688400,51.98
"2011-08-22",51.23,51.24,50.06,50.21,77107700,49.93
"2011-08-19",50.42,51.67,49.99,50.03,96674600,49.75
"2011-08-18",52.13,52.14,50.48,50.95,130019400,50.66
"2011-08-17",53.97,54.42,53.02,53.58,84416600,53.28
"2011-08-16",53.83,54.35,53.18,53.9,89219200,53.6
"2011-08-15",53.79,54.36,53.53,54.36,73554300,54.05
"2011-08-12",53.43,53.9,52.88,53.57,90483300,53.27
"2011-08-11",51.59,53.69,51.34,53.1,143825300,52.8
"2011-08-10",51.83,53.04,50.8,50.86,205917900,50.57
"2011-08-09",51.35,53.08,49.93,53.03,193707100,52.73
"2011-08-08",52.18,53.12,50.59,50.59,204804500,50.3
"2011-08-05",54.72,55.03,52.32,53.83,214111800,53.53
"2011-08-04",56,56.09,54.17,54.17,132830000,53.86
"2011-08-03",56.34,56.88,55.35,56.81,103496200,56.49
"2011-08-02",57.46,57.72,56.21,56.27,90853300,55.95
"2011-08-01",58.7,58.82,57.03,57.73,85421100,57.4
"2011-07-29",57.72,58.61,57.44,58,82860500,57.67
"2011-07-28",58.12,58.93,57.89,58.19,61031900,57.86
"2011-07-27",59.24,59.29,57.94,58.09,83969500,57.76
"2011-07-26",59.44,59.83,59.32,59.63,40918900,59.29
"2011-07-25",59.13,59.81,59.02,59.48,48916100,59.14
"2011-07-22",58.96,59.7,58.92,59.6,43620400,59.26
"2011-07-21",58.66,59.32,58.34,58.99,70148800,58.66
"2011-07-20",59.18,59.19,58.5,58.6,57085500,58.27
"2011-07-19",58.09,58.9,58.09,58.85,73904600,58.52
"2011-07-18",57.53,57.79,56.98,57.54,59512200,57.21
"2011-07-15",57.73,57.85,57.31,57.85,68281500,57.52
"2011-07-14",57.91,58.18,56.87,57.09,98774200,56.77
"2011-07-13",57.94,58.34,57.55,57.76,82378100,57.43
"2011-07-12",57.95,58.07,57.46,57.52,83958900,57.19
"2011-07-11",58.41,58.71,57.76,57.96,52080800,57.63
"2011-07-08",58.68,59.04,58.37,59.03,69533600,58.7
"2011-07-07",58.83,59.36,58.74,59.19,54799800,58.86
"2011-07-06",58.13,58.49,57.94,58.39,49282700,58.06
"2011-07-05",57.97,58.26,57.83,58.2,43128800,57.87
"2011-07-01",57.08,57.99,56.92,57.91,53203900,57.58
"2011-06-30",56.5,57.09,56.47,57.05,50484000,56.73
"2011-06-29",56.2,56.41,55.9,56.3,65407300,55.98
"2011-06-28",55.37,56.08,55.29,56.07,47028800,55.75
"2011-06-27",54.44,55.53,54.32,55.25,49968900,54.94
"2011-06-24",55.08,55.13,54.27,54.38,56298300,54.07
"2011-06-23",54.24,55.37,54.06,55.34,80743300,55.03
"2011-06-22",55,55.32,54.82,54.83,36833300,54.52
"2011-06-21",54.26,55.29,54.03,55.23,55892800,54.92
"2011-06-20",53.64,54.23,53.64,54.07,37402900,53.76
"2011-06-17",54.45,54.6,53.63,53.79,70337000,53.49
"2011-06-16",54.32,54.5,53.62,54.08,66316200,53.65
"2011-06-15",54.81,55.15,54.18,54.29,59022400,53.86
"2011-06-14",55.06,55.47,55.03,55.34,40565300,54.9
"2011-06-13",54.64,54.93,54.45,54.64,37745900,54.21
"2011-06-10",55.23,55.34,54.59,54.64,53740600,54.21
"2011-06-09",55.41,55.76,55.23,55.49,45307500,55.05
"2011-06-08",55.67,55.77,55.23,55.39,46426400,54.95
"2011-06-07",56.04,56.26,55.75,55.79,46311100,55.35
"2011-06-06",56.22,56.53,55.86,55.89,50175600,55.45
"2011-06-03",56.55,56.99,56.27,56.35,57773700,55.91
"2011-06-02",57.2,57.41,56.89,57.21,50198100,56.76
"2011-06-01",58.22,58.36,57.04,57.09,51795000,56.64
"2011-05-31",57.97,58.36,57.67,58.36,47590100,57.9
"2011-05-27",57.24,57.49,57.19,57.43,30127200,56.98
"2011-05-26",56.62,57.3,56.61,57.14,40564100,56.69
"2011-05-25",56.5,57.06,56.47,56.79,41369000,56.34
"2011-05-24",57.06,57.07,56.56,56.57,39314800,56.12
"2011-05-23",56.98,57.15,56.65,56.92,43700000,56.47
"2011-05-20",58.15,58.21,57.69,57.77,44703300,57.31
"2011-05-19",58.22,58.34,57.85,58.21,35015800,57.75
"2011-05-18",57.48,58.14,57.41,58.04,42351100,57.58
"2011-05-17",57.1,57.57,56.98,57.56,63136000,57.11
"2011-05-16",58.14,58.32,57.27,57.4,73115300,56.95
"2011-05-13",58.97,59.07,58.39,58.41,63506600,57.95
"2011-05-12",58.58,59.19,58.24,59.11,66100000,58.64
"2011-05-11",59.1,59.31,58.36,58.76,61900000,58.3
"2011-05-10",58.86,59.28,58.78,59.19,38053600,58.72
"2011-05-09",58.57,58.92,58.34,58.69,40022000,58.23
"2011-05-06",58.86,59.2,58.31,58.47,72507000,58.01
"2011-05-05",58.31,58.97,58.08,58.28,72200000,57.82
"2011-05-04",58.72,58.87,58.11,58.6,53097200,58.14
"2011-05-03",58.94,59,58.33,58.69,38100000,58.23
"2011-05-02",59.17,59.34,58.82,58.97,48149400,58.51
"2011-04-29",59.02,59.29,58.98,59.08,44831200,58.61
"2011-04-28",59.04,59.23,58.88,59.13,48100000,58.66
"2011-04-27",58.93,59.29,58.66,59.22,56465500,58.75
"2011-04-26",58.64,59.03,58.51,58.82,49373400,58.36
"2011-04-25",58.39,58.52,58.28,58.49,25376800,58.03
"2011-04-21",58.44,58.47,58.16,58.34,43666800,57.88
"2011-04-20",57.6,57.94,57.53,57.88,67259000,57.42
"2011-04-19",56.4,56.6,56.1,56.6,38608400,56.15
"2011-04-18",56.08,56.27,55.32,56.25,69065000,55.81
"2011-04-15",56.53,56.87,56.28,56.65,68530000,56.2
"2011-04-14",56.46,56.83,56.23,56.75,53544100,56.3
"2011-04-13",56.79,57,56.4,56.85,49979800,56.4
"2011-04-12",56.5,56.64,56.15,56.37,50422800,55.93
"2011-04-11",57.17,57.29,56.56,56.76,42451700,56.31
"2011-04-08",57.48,57.57,56.65,56.95,42782200,56.5
"2011-04-07",57.24,57.6,56.81,57.22,60697000,56.77
"2011-04-06",57.56,57.73,56.93,57.26,49513800,56.81
"2011-04-05",57.16,57.49,57,57.12,55386700,56.67
"2011-04-04",57.62,57.68,57.02,57.27,48659100,56.82
"2011-04-01",57.72,57.9,57.29,57.46,68031800,57.01
"2011-03-31",57.27,57.48,57.15,57.43,50004300,56.98
"2011-03-30",57.36,57.43,57.08,57.35,44935900,56.9
"2011-03-29",56.4,57.08,56.23,57.08,47994800,56.63
"2011-03-28",57.09,57.1,56.5,56.53,37824000,56.08
"2011-03-25",56.88,57.22,56.73,56.84,74131100,56.39
"2011-03-24",56.13,56.82,55.82,56.7,69502400,56.25
"2011-03-23",55.2,55.87,54.82,55.71,60365100,55.27
"2011-03-22",55.58,55.61,55.28,55.4,36162100,54.96
"2011-03-21",55.28,55.78,54.5,55.5,57423000,55.06
"2011-03-18",55.22,55.22,54.41,54.45,94887200,54.02
"2011-03-17",55.01,55.24,54.13,54.65,94434500,54.14
"2011-03-16",55.03,55.34,53.77,54.15,176507700,53.65
"2011-03-15",54.64,55.82,54.47,55.49,101276500,54.98
"2011-03-14",56.18,56.59,55.86,56.29,73565800,55.77
"2011-03-11",55.82,56.66,55.82,56.49,81679400,55.97
"2011-03-10",56.39,56.52,55.91,56.14,102894400,55.62
"2011-03-09",57.21,57.27,56.72,57.03,84764200,56.5
"2011-03-08",57.12,57.68,56.77,57.42,62399100,56.89
"2011-03-07",58.21,58.26,56.67,57.19,98470000,56.66
"2011-03-04",58.25,58.26,57.59,57.97,62328400,57.43
"2011-03-03",57.67,58.37,57.67,58.27,64146600,57.73
"2011-03-02",56.81,57.51,56.79,57.14,61552900,56.61
"2011-03-01",58.02,58.02,56.7,56.84,91993900,56.31
"2011-02-28",57.88,58.05,57.43,57.77,51402800,57.23
"2011-02-25",57.18,57.72,57.12,57.65,54094600,57.12
"2011-02-24",56.68,57.03,56.14,56.86,98716100,56.33
"2011-02-23",57.03,57.23,56.13,56.56,97716100,56.04
"2011-02-22",57.93,58.13,56.94,57.03,92598100,56.5
"2011-02-18",58.86,58.97,58.51,58.73,44334300,58.19
"2011-02-17",58.59,58.97,58.55,58.86,38338200,58.31
"2011-02-16",58.65,59.04,58.63,58.88,53061700,58.33
"2011-02-15",58.44,58.57,58.23,58.5,39723800,57.96
"2011-02-14",58.44,58.66,58.38,58.58,48506100,58.04
"2011-02-11",57.85,58.48,57.77,58.44,47853500,57.9
"2011-02-10",57.55,58.1,57.49,58.02,70194700,57.48
"2011-02-09",57.94,58.12,57.75,57.93,62540800,57.39
"2011-02-08",57.67,58.07,57.56,58.03,38099900,57.49
"2011-02-07",57.49,57.97,57.4,57.65,45627100,57.12
"2011-02-04",57.05,57.42,56.9,57.38,47647800,56.85
"2011-02-03",56.85,57.14,56.4,57.06,45341900,56.53
"2011-02-02",56.93,57.17,56.84,56.96,48661000,56.43
"2011-02-01",56.42,57.18,56.36,57.05,76952900,56.52
"2011-01-31",55.81,56.16,55.39,56,70571300,55.48
"2011-01-28",57.17,57.22,55.47,55.73,123327800,55.21
"2011-01-27",57.01,57.35,56.92,57.18,53656100,56.65
"2011-01-26",56.61,56.98,56.45,56.83,60451500,56.3
"2011-01-25",56.17,56.55,56.05,56.53,55305100,56.01
"2011-01-24",55.79,56.46,55.68,56.45,64103300,55.93
"2011-01-21",56.39,56.49,55.65,55.68,59673300,55.16
"2011-01-20",56.27,56.35,55.68,56.11,92357800,55.59
"2011-01-19",57.26,57.26,56.32,56.51,67767200,55.99
"2011-01-18",56.57,57.23,56.49,57.16,65805600,56.63
"2011-01-14",56.6,57.02,56.46,57,43867400,56.47
"2011-01-13",56.6,56.73,56.41,56.58,47364500,56.05
"2011-01-12",56.43,56.56,56.2,56.56,51979300,56.04
"2011-01-11",56.31,56.36,55.95,56.16,56663800,55.64
"2011-01-10",55.75,56.18,55.58,56.08,55551800,55.56
"2011-01-07",56.02,56.05,55.32,55.87,72261700,55.35
"2011-01-06",55.8,55.96,55.68,55.92,46139600,55.4
"2011-01-05",55.1,55.76,55.07,55.74,43787400,55.22
"2011-01-04",55.51,55.55,54.92,55.27,43851500,54.76
"2011-01-03",54.97,55.69,54.95,55.31,90994300,54.8