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| Date | 1W | 2W | 1M | 2M | 3M | 4M | 6M | 9M | 1Y | 2Y | 3Y | 4Y | 5Y | 6Y | 7Y | 8Y | 9Y | 10Y | 15Y | 20Y |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 31, 2008 | 11.08 | 10.76 | 10.74 | 10.92 | 11 | 11.09 | 11.21 | 11.36 | 11.47 | 11.73 | 12.02 | 12.26 | 12.43 | 12.4 | 12.4 | 12.42 | 12.33 | 12.34 | 13.08 | 13.37 |
| May 30, 2008 | 9.33 | 9.95 | 10.35 | 10.76 | 10.93 | 11.08 | 11.18 | 11.33 | 11.47 | 11.73 | 11.99 | 12.24 | 12.42 | 12.38 | 12.38 | 12.41 | 12.33 | 12.35 | 13.13 | 13.37 |
| May 29, 2008 | 8.78 | 9.78 | 10.36 | 10.83 | 10.96 | 11.13 | 11.22 | 11.36 | 11.47 | 11.73 | 11.98 | 12.23 | 12.39 | 12.38 | 12.36 | 12.41 | 12.33 | 12.32 | 13.14 | 13.38 |
| May 28, 2008 | 10.23 | 10.63 | 10.83 | 11.01 | 11.09 | 11.23 | 11.28 | 11.39 | 11.5 | 11.73 | 11.96 | 12.14 | 12.32 | 12.33 | 12.35 | 12.43 | 12.33 | 12.34 | 13.18 | 13.44 |
| May 27, 2008 | 11.04 | 11.13 | 11.19 | 11.21 | 11.22 | 11.31 | 11.34 | 11.41 | 11.52 | 11.78 | 12.01 | 12.16 | 12.24 | 12.33 | 12.39 | 12.55 | 12.43 | 12.42 | 13.23 | 13.48 |
| May 26, 2008 | 11.68 | 11.54 | 11.41 | 11.33 | 11.28 | 11.35 | 11.39 | 11.46 | 11.56 | 11.94 | 12.17 | 12.47 | 12.59 | 12.77 | 12.87 | 13.01 | 12.99 | 13.01 | 13.41 | 13.66 |
| May 24, 2008 | 11.91 | 11.76 | 11.52 | 11.38 | 11.32 | 11.39 | 11.43 | 11.51 | 11.6 | 12.08 | 12.3 | 12.57 | 12.69 | 12.78 | 12.88 | 13.02 | 13.03 | 13.1 | 13.38 | 13.64 |
| May 23, 2008 | 11.85 | 11.7 | 11.43 | 11.28 | 11.27 | 11.33 | 11.38 | 11.45 | 11.59 | 12.06 | 12.27 | 12.57 | 12.67 | 12.66 | 12.79 | 12.92 | 12.93 | 12.96 | 13.32 | 13.56 |
| May 22, 2008 | 10.49 | 10.28 | 10.08 | 10.09 | 10.16 | 10.25 | 10.32 | 10.43 | 10.53 | 11.01 | 11.17 | 11.32 | 11.38 | 11.55 | 11.83 | 12.28 | 12.3 | 12.38 | 12.64 | 12.83 |
| May 21, 2008 | 10.01 | 9.82 | 9.76 | 9.86 | 9.96 | 10.03 | 10.11 | 10.19 | 10.35 | 10.76 | 10.94 | 11.11 | 11.18 | 11.38 | 11.68 | 12.08 | 12.07 | 12.08 | 12.4 | 12.59 |
| May 20, 2008 | 9.93 | 9.74 | 9.66 | 9.79 | 9.86 | 9.92 | 10 | 10.13 | 10.26 | 10.73 | 10.93 | 11.1 | 11.18 | 11.38 | 11.69 | 12.1 | 12.12 | 12.13 | 12.4 | 12.59 |
| May 19, 2008 | 9.58 | 9.51 | 9.57 | 9.75 | 9.86 | 9.91 | 10 | 10.13 | 10.26 | 10.7 | 10.93 | 11.05 | 11.14 | 11.34 | 11.65 | 12.06 | 12.13 | 12.17 | 12.39 | 12.58 |
| May 17, 2008 | 9.33 | 9.39 | 9.52 | 9.73 | 9.86 | 9.91 | 10 | 10.13 | 10.26 | 10.71 | 10.93 | 11.03 | 11.12 | 11.31 | 11.62 | 12.03 | 12.12 | 12.16 | 12.38 | 12.57 |
| May 16, 2008 | 9.28 | 9.34 | 9.53 | 9.72 | 9.85 | 9.91 | 9.99 | 10.12 | 10.26 | 10.66 | 10.86 | 10.98 | 11.07 | 11.26 | 11.53 | 11.91 | 12.03 | 12.03 | 12.28 | 12.5 |
| May 15, 2008 | 9.43 | 9.43 | 9.54 | 9.7 | 9.83 | 9.89 | 9.98 | 10.12 | 10.25 | 10.62 | 10.81 | 10.95 | 11.03 | 11.21 | 11.49 | 11.89 | 11.93 | 11.94 | 12.23 | 12.4 |
| May 14, 2008 | 9.37 | 9.32 | 9.48 | 9.68 | 9.79 | 9.88 | 9.96 | 10.08 | 10.24 | 10.5 | 10.68 | 10.84 | 10.94 | 11.03 | 11.25 | 11.56 | 11.6 | 11.64 | 12.08 | 12.29 |
| May 13, 2008 | 9.29 | 9.29 | 9.43 | 9.65 | 9.78 | 9.88 | 9.96 | 10.08 | 10.24 | 10.5 | 10.68 | 10.84 | 10.94 | 11.03 | 11.25 | 11.55 | 11.6 | 11.64 | 12.1 | 12.29 |
| May 12, 2008 | 9.28 | 9.29 | 9.4 | 9.63 | 9.75 | 9.87 | 9.95 | 10.07 | 10.23 | 10.52 | 10.69 | 10.84 | 10.94 | 11.03 | 11.25 | 11.55 | 11.6 | 11.63 | 12.12 | 12.29 |
| May 10, 2008 | 9.24 | 9.24 | 9.39 | 9.64 | 9.74 | 9.85 | 9.94 | 10.04 | 10.22 | 10.51 | 10.68 | 10.83 | 10.92 | 11.01 | 11.25 | 11.52 | 11.58 | 11.62 | 12.1 | 12.29 |
| May 09, 2008 | 9.28 | 9.23 | 9.39 | 9.64 | 9.74 | 9.83 | 9.93 | 10.04 | 10.22 | 10.48 | 10.64 | 10.81 | 10.88 | 10.98 | 11.23 | 11.51 | 11.55 | 11.57 | 12.09 | 12.28 |
| May 08, 2008 | 9.27 | 9.28 | 9.43 | 9.63 | 9.72 | 9.83 | 9.93 | 10.03 | 10.21 | 10.48 | 10.64 | 10.8 | 10.87 | 10.98 | 11.23 | 11.5 | 11.54 | 11.56 | 12.09 | 12.28 |
| May 07, 2008 | 9.26 | 9.24 | 9.37 | 9.63 | 9.72 | 9.81 | 9.93 | 10.03 | 10.21 | 10.46 | 10.63 | 10.8 | 10.87 | 10.97 | 11.22 | 11.5 | 11.53 | 11.55 | 12.07 | 12.26 |
| May 06, 2008 | 9.53 | 9.43 | 9.44 | 9.61 | 9.71 | 9.78 | 9.88 | 9.97 | 10.12 | 10.41 | 10.58 | 10.74 | 10.84 | 10.95 | 11.21 | 11.46 | 11.49 | 11.52 | 12.06 | 12.25 |
| May 05, 2008 | 9.38 | 9.31 | 9.4 | 9.61 | 9.7 | 9.78 | 9.88 | 9.97 | 10.12 | 10.41 | 10.58 | 10.74 | 10.84 | 10.95 | 11.21 | 11.47 | 11.5 | 11.53 | 12.06 | 12.25 |
| May 03, 2008 | 8.8 | 9.01 | 9.28 | 9.55 | 9.63 | 9.74 | 9.86 | 9.96 | 10.12 | 10.41 | 10.58 | 10.74 | 10.84 | 10.95 | 11.2 | 11.47 | 11.52 | 11.54 | 12.04 | 12.25 |
| May 02, 2008 | 8.8 | 9.03 | 9.37 | 9.56 | 9.63 | 9.74 | 9.86 | 9.96 | 10.12 | 10.41 | 10.58 | 10.74 | 10.85 | 10.95 | 11.17 | 11.45 | 11.5 | 11.54 | 12.04 | 12.25 |