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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2011 | 13.4 | 13.32 | 13.31 | 13.31 | 13.28 | 13.4 | 13.58 | 13.64 | 13.76 | 13.91 | 13.98 | 14.01 | 14.02 | 14.05 | 14.06 | 14.03 | 14.05 | 14.08 | 14.43 | 14.65 |
| Mar 30, 2011 | 13.5 | 13.4 | 13.32 | 13.3 | 13.27 | 13.4 | 13.58 | 13.64 | 13.76 | 13.91 | 13.97 | 14.01 | 14.02 | 14.05 | 14.06 | 14.03 | 14.05 | 14.08 | 14.43 | 14.65 |
| Mar 29, 2011 | 13.47 | 13.38 | 13.31 | 13.29 | 13.27 | 13.4 | 13.58 | 13.64 | 13.76 | 13.91 | 13.97 | 14.01 | 14.01 | 14.05 | 14.06 | 14.03 | 14.04 | 14.07 | 14.42 | 14.65 |
| Mar 28, 2011 | 13.4 | 13.31 | 13.26 | 13.28 | 13.27 | 13.39 | 13.57 | 13.64 | 13.75 | 13.89 | 13.93 | 13.97 | 13.97 | 14.03 | 14.03 | 14 | 14 | 14 | 14.42 | 14.65 |
| Mar 26, 2011 | 13.5 | 13.29 | 13.23 | 13.23 | 13.23 | 13.37 | 13.56 | 13.64 | 13.73 | 13.91 | 13.91 | 13.96 | 13.96 | 14.02 | 14.03 | 13.98 | 13.99 | 13.96 | 14.42 | 14.65 |
| Mar 25, 2011 | 13.43 | 13.28 | 13.23 | 13.22 | 13.21 | 13.37 | 13.55 | 13.64 | 13.73 | 13.91 | 13.91 | 13.96 | 13.96 | 14.02 | 14.02 | 13.98 | 13.98 | 13.96 | 14.42 | 14.65 |
| Mar 24, 2011 | 13.22 | 13.19 | 13.15 | 13.19 | 13.21 | 13.36 | 13.55 | 13.65 | 13.72 | 13.93 | 13.97 | 14 | 14 | 14.05 | 14.06 | 14.02 | 14.02 | 14 | 14.42 | 14.65 |
| Mar 22, 2011 | 13.23 | 13.17 | 13.16 | 13.22 | 13.27 | 13.38 | 13.55 | 13.66 | 13.72 | 13.93 | 13.99 | 14 | 14.01 | 14.05 | 14.06 | 14.02 | 14.02 | 14.01 | 14.42 | 14.65 |
| Mar 21, 2011 | 13.14 | 13.1 | 13.1 | 13.19 | 13.26 | 13.39 | 13.54 | 13.65 | 13.71 | 13.92 | 13.99 | 14 | 14.01 | 14.05 | 14.06 | 14.02 | 14.01 | 14 | 14.42 | 14.65 |
| Mar 19, 2011 | 13.18 | 13.11 | 13.11 | 13.17 | 13.25 | 13.39 | 13.53 | 13.65 | 13.71 | 13.92 | 13.99 | 14 | 14.01 | 14.05 | 14.06 | 14.02 | 14.01 | 14 | 14.42 | 14.66 |
| Mar 18, 2011 | 13.12 | 13.05 | 13.07 | 13.15 | 13.25 | 13.39 | 13.52 | 13.65 | 13.71 | 13.92 | 13.99 | 14 | 14.01 | 14.05 | 14.06 | 14.02 | 14.01 | 14 | 14.42 | 14.66 |
| Mar 17, 2011 | 13.1 | 13.03 | 13.04 | 13.15 | 13.25 | 13.39 | 13.53 | 13.65 | 13.72 | 13.93 | 13.99 | 14 | 14.01 | 14.06 | 14.07 | 14.03 | 14.02 | 14 | 14.44 | 14.68 |
| Mar 16, 2011 | 13.06 | 13.02 | 13.05 | 13.15 | 13.24 | 13.39 | 13.53 | 13.66 | 13.76 | 13.96 | 14.05 | 14.1 | 14.1 | 14.16 | 14.15 | 14.12 | 14.07 | 14.09 | 14.5 | 14.75 |
| Mar 15, 2011 | 13.04 | 13.02 | 13.03 | 13.15 | 13.25 | 13.39 | 13.52 | 13.66 | 13.76 | 13.97 | 14.06 | 14.1 | 14.1 | 14.16 | 14.15 | 14.12 | 14.07 | 14.09 | 14.5 | 14.75 |
| Mar 14, 2011 | 13.02 | 13.02 | 13.02 | 13.12 | 13.24 | 13.39 | 13.53 | 13.66 | 13.76 | 13.97 | 14.05 | 14.11 | 14.09 | 14.16 | 14.14 | 14.11 | 14.06 | 14.08 | 14.5 | 14.75 |
| Mar 12, 2011 | 13.07 | 13.01 | 13.01 | 13.12 | 13.25 | 13.4 | 13.53 | 13.66 | 13.76 | 13.98 | 14.05 | 14.11 | 14.1 | 14.16 | 14.16 | 14.12 | 14.06 | 14.08 | 14.5 | 14.75 |
| Mar 11, 2011 | 12.93 | 12.94 | 12.99 | 13.11 | 13.24 | 13.4 | 13.53 | 13.66 | 13.75 | 13.98 | 14.04 | 14.1 | 14.09 | 14.16 | 14.16 | 14.12 | 14.05 | 14.08 | 14.5 | 14.75 |
| Mar 10, 2011 | 12.99 | 12.95 | 12.98 | 13.11 | 13.27 | 13.42 | 13.57 | 13.66 | 13.76 | 13.99 | 14.05 | 14.12 | 14.09 | 14.17 | 14.16 | 14.13 | 14.06 | 14.08 | 14.5 | 14.75 |
| Mar 09, 2011 | 12.88 | 12.93 | 12.99 | 13.16 | 13.33 | 13.47 | 13.6 | 13.68 | 13.78 | 14.01 | 14.08 | 14.14 | 14.14 | 14.2 | 14.21 | 14.15 | 14.08 | 14.11 | 14.52 | 14.76 |
| Mar 08, 2011 | 12.9 | 12.94 | 12.99 | 13.16 | 13.35 | 13.48 | 13.62 | 13.67 | 13.78 | 14.03 | 14.15 | 14.18 | 14.18 | 14.23 | 14.22 | 14.17 | 14.13 | 14.14 | 14.53 | 14.76 |
| Mar 07, 2011 | 12.93 | 12.93 | 12.98 | 13.16 | 13.35 | 13.48 | 13.62 | 13.67 | 13.78 | 14.05 | 14.17 | 14.19 | 14.19 | 14.25 | 14.25 | 14.23 | 14.18 | 14.18 | 14.54 | 14.76 |
| Mar 05, 2011 | 12.84 | 12.9 | 12.94 | 13.15 | 13.3 | 13.48 | 13.61 | 13.67 | 13.78 | 14.05 | 14.17 | 14.19 | 14.19 | 14.25 | 14.25 | 14.23 | 14.18 | 14.18 | 14.55 | 14.77 |
| Mar 04, 2011 | 12.95 | 12.95 | 13 | 13.15 | 13.36 | 13.48 | 13.61 | 13.67 | 13.79 | 14.07 | 14.18 | 14.2 | 14.19 | 14.25 | 14.28 | 14.23 | 14.2 | 14.19 | 14.56 | 14.77 |
| Mar 03, 2011 | 12.88 | 12.91 | 12.97 | 13.14 | 13.35 | 13.48 | 13.61 | 13.66 | 13.78 | 14.07 | 14.18 | 14.2 | 14.2 | 14.25 | 14.28 | 14.23 | 14.19 | 14.19 | 14.56 | 14.77 |
| Mar 02, 2011 | 12.78 | 12.85 | 12.95 | 13.14 | 13.36 | 13.48 | 13.61 | 13.66 | 13.78 | 14.08 | 14.18 | 14.2 | 14.2 | 14.25 | 14.28 | 14.23 | 14.19 | 14.2 | 14.56 | 14.77 |
| Mar 01, 2011 | 12.83 | 12.88 | 12.96 | 13.15 | 13.35 | 13.47 | 13.61 | 13.67 | 13.78 | 14.07 | 14.17 | 14.2 | 14.21 | 14.25 | 14.29 | 14.23 | 14.19 | 14.2 | 14.56 | 14.77 |