| Date
| Open
| High
| Low
| Close
| Volume
|
| Apr 4, 2008
| 21.33
| 21.46
| 21.24
| 21.35
| 28,792,200
|
| Apr 3, 2008
| 21.41
| 21.46
| 20.93
| 21.34
| 34,359,600
|
| Apr 2, 2008
| 21.22
| 21.60
| 21.18
| 21.51
| 31,042,700
|
| Apr 1, 2008
| 21.05
| 21.38
| 20.84
| 21.38
| 37,238,100
|
| Mar 31, 2008
| 20.69
| 20.97
| 20.48
| 20.93
| 47,481,500
|
| Mar 28, 2008
| 20.68
| 20.72
| 20.47
| 20.50
| 30,768,900
|
| Mar 27, 2008
| 20.76
| 20.89
| 20.55
| 20.56
| 32,084,300
|
| Mar 26, 2008
| 20.72
| 20.75
| 20.59
| 20.69
| 29,278,500
|
| Mar 25, 2008
| 20.68
| 20.81
| 20.65
| 20.78
| 41,466,300
|
| Mar 24, 2008
| 20.82
| 20.82
| 20.48
| 20.61
| 35,360,600
|
| Mar 20, 2008
| 20.70
| 20.70
| 20.48
| 20.59
| 52,417,600
|
| Mar 19, 2008
| 20.85
| 21.05
| 20.55
| 20.61
| 42,790,300
|
| Mar 18, 2008
| 20.83
| 21.09
| 20.69
| 21.00
| 45,591,600
|
| Mar 17, 2008
| 20.38
| 20.85
| 20.19
| 20.57
| 44,550,700
|
| Mar 14, 2008
| 21.32
| 21.32
| 20.50
| 20.64
| 46,423,800
|
| Mar 13, 2008
| 21.16
| 21.37
| 20.79
| 21.21
| 43,751,800
|
| Mar 12, 2008
| 21.77
| 21.80
| 21.16
| 21.28
| 40,997,100
|
| Mar 11, 2008
| 21.34
| 21.98
| 21.22
| 21.72
| 36,909,900
|
| Mar 10, 2008
| 21.37
| 21.42
| 21.14
| 21.15
| 33,879,900
|
| Mar 7, 2008
| 21.46
| 21.66
| 21.20
| 21.35
| 42,122,400
|
| Mar 6, 2008
| 21.98
| 22.02
| 21.57
| 21.59
| 33,446,000
|
| Mar 5, 2008
| 22.42
| 22.44
| 21.80
| 22.05
| 45,672,900
|
| Mar 4, 2008
| 22.15
| 22.28
| 22.05
| 22.24
| 34,755,200
|
| Mar 3, 2008
| 22.42
| 22.42
| 22.12
| 22.25
| 31,661,600
|
| Feb 29, 2008
| 22.65
| 22.67
| 22.20
| 22.28
| 44,978,700
|
| Feb 28, 2008
| 22.75
| 22.80
| 22.43
| 22.55
| 26,571,200
|
| Feb 27, 2008
| 22.79
| 22.88
| 22.60
| 22.75
| 25,634,900
|
| Feb 26, 2008
| 22.64
| 22.92
| 22.63
| 22.83
| 26,704,300
|
| Feb 25, 2008
| 22.50
| 22.82
| 22.50
| 22.78
| 35,271,900
|
| Feb 22, 2008
| 22.50
| 22.59
| 22.16
| 22.50
| 30,188,000
|
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