1 5/25/07 90.70 2 6/10/07 91.10 3 6/21/07 92.70 4 7/14/07 92.20 5 7/19/07 90.29 6 7/25/07 93.48 7 7/30/07 92.01 8 8/4/07 91.88 9 8/9/07 91.74 10 8/15/07 91.88 11 8/20/07 91.42 12 8/25/07 91.58 13 8/30/07 92.45 14 9/5/07 91.66 15 9/10/07 92.56 16 9/15/07 92.67 17 9/19/07 92.80 18 9/25/07 88.99 19 9/30/07 92.41 20 4/2/08 89.41 21 4/7/08 89.92 22 4/12/08 88.49 23 4/17/08 89.73 24 4/22/08 89.99 25 4/27/08 90.73 26 5/3/08 91.55 27 5/9/08 91.15 28 5/14/08 91.78 29 5/19/08 91.27 30 5/25/08 89.72 31 5/30/08 87.26 32 6/4/08 93.58 33 6/10/08 90.82 34 6/15/08 93.66 35 6/20/08 91.48 36 6/25/08 91.87 37 6/30/08 90.41 38 7/5/08 92.71 39 7/10/08 89.62 40 7/18/08 91.78 41 7/23/08 92.35 42 7/28/08 91.74 43 8/2/08 91.39 44 8/8/08 91.84 45 8/14/08 91.36 46 8/20/08 92.15 47 8/25/08 90.73 48 8/30/08 92.30 49 9/5/08 89.76 50 9/10/08 93.10 51 9/15/08 92.52 52 9/20/08 93.83 53 9/27/08 92.07 54 4/8/09 90.20 55 4/13/09 88.78 56 4/22/09 88.32 57 4/27/09 90.59 58 5/2/09 90.17 59 5/7/09 91.10 60 5/13/09 89.62 61 5/19/09 92.03 62 5/24/09 91.97 63 5/29/09 90.10 64 6/3/09 92.52 65 6/9/09 91.63 66 6/14/09 89.50 67 6/20/09 89.44 68 6/25/09 90.51 69 6/30/09 90.35 70 7/5/09 91.84 71 7/20/09 93.34 72 8/17/09 90.81 73 8/22/09 91.66 74 8/28/09 89.50 75 9/2/09 89.60 76 9/7/09 87.98 77 9/13/09 89.84 78 9/18/09 92.78 79 9/30/09 88.31