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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, 2011 | 13.44 | 13.33 | 13.27 | 13.31 | 13.34 | 13.41 | 13.6 | 13.71 | 13.83 | 13.97 | 14 | 14.03 | 14.04 | 14.07 | 14.07 | 13.57 | 14.08 | 14.1 | 14.08 | 14.32 |
| May 30, 2011 | 13.39 | 13.32 | 13.28 | 13.29 | 13.33 | 13.39 | 13.59 | 13.7 | 13.82 | 13.96 | 14 | 14.03 | 14.04 | 14.07 | 14.07 | 13.56 | 14.08 | 14.09 | 14.08 | 14.35 |
| May 28, 2011 | 13.34 | 13.27 | 13.26 | 13.28 | 13.32 | 13.38 | 13.58 | 13.7 | 13.82 | 13.95 | 13.99 | 14.02 | 14.03 | 14.07 | 14.07 | 13.57 | 14.08 | 14.09 | 14.1 | 14.39 |
| May 27, 2011 | 13.37 | 13.28 | 13.26 | 13.27 | 13.32 | 13.38 | 13.59 | 13.71 | 13.82 | 13.95 | 14 | 14.02 | 14.03 | 14.07 | 14.07 | 13.57 | 14.08 | 14.09 | 14.15 | 14.44 |
| May 26, 2011 | 13.37 | 13.27 | 13.25 | 13.26 | 13.32 | 13.38 | 13.59 | 13.71 | 13.82 | 13.94 | 13.99 | 14.02 | 14.02 | 14.07 | 14.07 | 13.55 | 14.08 | 14.09 | 14.31 | 14.51 |
| May 25, 2011 | 13.27 | 13.21 | 13.2 | 13.21 | 13.22 | 13.34 | 13.58 | 13.7 | 13.82 | 13.91 | 13.93 | 14.01 | 13.99 | 14.06 | 14.07 | 13.54 | 14.07 | 14.07 | 14.43 | 14.66 |
| May 24, 2011 | 13.28 | 13.19 | 13.19 | 13.2 | 13.21 | 13.35 | 13.58 | 13.7 | 13.81 | 13.91 | 13.94 | 14 | 13.99 | 14.06 | 14.06 | 13.52 | 14.07 | 14.07 | 14.46 | 14.7 |
| May 23, 2011 | 13.28 | 13.21 | 13.18 | 13.19 | 13.21 | 13.34 | 13.58 | 13.71 | 13.83 | 13.93 | 13.98 | 14.02 | 14.04 | 14.07 | 14.08 | 13.52 | 14.08 | 14.08 | 14.46 | 14.7 |
| May 21, 2011 | 13.33 | 13.21 | 13.18 | 13.21 | 13.22 | 13.34 | 13.61 | 13.71 | 13.83 | 13.93 | 13.98 | 14.03 | 14.05 | 14.08 | 14.08 | 13.54 | 14.08 | 14.09 | 14.46 | 14.7 |
| May 20, 2011 | 13.28 | 13.18 | 13.16 | 13.2 | 13.21 | 13.34 | 13.61 | 13.71 | 13.83 | 13.92 | 13.99 | 14.03 | 14.05 | 14.08 | 14.08 | 13.54 | 14.08 | 14.09 | 14.46 | 14.7 |
| May 19, 2011 | 13.38 | 13.22 | 13.17 | 13.2 | 13.21 | 13.34 | 13.6 | 13.7 | 13.83 | 13.92 | 14 | 14.04 | 14.07 | 14.08 | 14.1 | 13.54 | 14.1 | 14.11 | 14.48 | 14.7 |
| May 18, 2011 | 13.14 | 13.05 | 13 | 13.07 | 13.09 | 13.21 | 13.48 | 13.6 | 13.76 | 13.92 | 14 | 14.03 | 14.06 | 14.08 | 14.09 | 13.7 | 14.1 | 14.12 | 14.47 | 14.7 |
| May 17, 2011 | 13.18 | 13.08 | 13 | 13.05 | 13.07 | 13.19 | 13.45 | 13.57 | 13.74 | 13.96 | 14 | 14.03 | 14.06 | 14.08 | 14.09 | 13.78 | 14.09 | 14.11 | 14.47 | 14.7 |
| May 16, 2011 | 13.22 | 13.08 | 13.02 | 13.04 | 13.07 | 13.21 | 13.46 | 13.57 | 13.75 | 13.96 | 14 | 14.04 | 14.06 | 14.08 | 14.09 | 13.77 | 14.09 | 14.11 | 14.47 | 14.7 |
| May 14, 2011 | 13.01 | 12.93 | 12.91 | 12.98 | 13.04 | 13.18 | 13.44 | 13.55 | 13.72 | 13.96 | 14 | 14.04 | 14.05 | 14.08 | 14.09 | 13.76 | 14.09 | 14.11 | 14.47 | 14.7 |
| May 12, 2011 | 12.53 | 12.64 | 12.77 | 12.88 | 13.02 | 13.15 | 13.43 | 13.54 | 13.72 | 13.96 | 14 | 14.04 | 14.06 | 14.08 | 14.09 | 13.77 | 14.1 | 14.11 | 14.46 | 14.7 |
| May 11, 2011 | 12.16 | 12.37 | 12.56 | 12.79 | 13.01 | 13.18 | 13.42 | 13.54 | 13.72 | 13.95 | 14.01 | 14.04 | 14.06 | 14.08 | 14.1 | 14.09 | 14.1 | 14.13 | 14.45 | 14.7 |
| May 10, 2011 | 12.15 | 12.34 | 12.54 | 12.75 | 12.99 | 13.16 | 13.4 | 13.5 | 13.7 | 13.94 | 14.01 | 14.03 | 14.06 | 14.07 | 14.09 | 14.08 | 14.09 | 14.12 | 14.45 | 14.7 |
| May 09, 2011 | 12.15 | 12.32 | 12.55 | 12.71 | 12.94 | 13.14 | 13.38 | 13.48 | 13.69 | 13.94 | 14 | 14.03 | 14.05 | 14.07 | 14.09 | 14.08 | 14.08 | 14.11 | 14.45 | 14.7 |
| May 07, 2011 | 12.21 | 12.37 | 12.52 | 12.73 | 12.93 | 13.13 | 13.35 | 13.46 | 13.68 | 13.94 | 14 | 14.03 | 14.05 | 14.07 | 14.09 | 14.08 | 14.08 | 14.1 | 14.45 | 14.7 |
| May 06, 2011 | 12.15 | 12.3 | 12.47 | 12.72 | 12.93 | 13.13 | 13.34 | 13.45 | 13.68 | 13.93 | 13.99 | 14.03 | 14.05 | 14.07 | 14.09 | 14.08 | 14.08 | 14.1 | 14.45 | 14.7 |
| May 05, 2011 | 12.07 | 12.16 | 12.53 | 12.72 | 12.86 | 13.13 | 13.29 | 13.46 | 13.69 | 13.93 | 14 | 14.03 | 14.05 | 14.07 | 14.09 | 14.08 | 14.08 | 14.1 | 14.45 | 14.7 |
| May 04, 2011 | 12.11 | 12.35 | 12.63 | 12.9 | 13.03 | 13.19 | 13.39 | 13.55 | 13.77 | 13.97 | 14.02 | 14.04 | 14.06 | 14.08 | 14.1 | 14.08 | 14.09 | 14.11 | 14.45 | 14.68 |
| May 03, 2011 | 12.21 | 12.54 | 12.73 | 12.99 | 13.09 | 13.19 | 13.44 | 13.57 | 13.78 | 13.97 | 14.01 | 14.03 | 14.05 | 14.07 | 14.1 | 14.08 | 14.09 | 14.14 | 14.45 | 14.68 |
| May 02, 2011 | 12.29 | 12.55 | 12.78 | 13.03 | 13.09 | 13.22 | 13.44 | 13.57 | 13.78 | 13.96 | 14 | 14.01 | 14.04 | 14.06 | 14.09 | 14.08 | 14.08 | 14.12 | 14.44 | 14.68 |