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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2011 | 13.46 | 13.4 | 13.36 | 13.16 | 12.96 | 12.92 | 12.86 | 12.84 | 12.83 | 12.86 | 12.86 | 12.86 | 12.87 | 12.88 | 12.92 | 12.85 | 12.84 | 12.81 | 13.37 | 13.5 |
| Sep 29, 2011 | 13.44 | 13.4 | 13.37 | 13.26 | 13.1 | 13.04 | 13.03 | 13.02 | 12.97 | 13.04 | 13.04 | 13.06 | 13.05 | 13.06 | 13.08 | 13.06 | 13.05 | 13.02 | 13.44 | 13.54 |
| Sep 28, 2011 | 13.4 | 13.43 | 13.37 | 13.28 | 13.12 | 13.08 | 13.07 | 13.07 | 13 | 13.09 | 13.1 | 13.12 | 13.12 | 13.13 | 13.15 | 13.12 | 13.11 | 13.1 | 13.47 | 13.59 |
| Sep 27, 2011 | 13.39 | 13.41 | 13.36 | 13.29 | 13.15 | 13.12 | 13.11 | 13.1 | 13.09 | 13.13 | 13.12 | 13.13 | 13.13 | 13.15 | 13.17 | 13.15 | 13.14 | 13.12 | 13.49 | 13.62 |
| Sep 26, 2011 | 13.39 | 13.4 | 13.34 | 13.26 | 13.18 | 13.15 | 13.14 | 13.15 | 13.16 | 13.18 | 13.18 | 13.18 | 13.19 | 13.19 | 13.21 | 13.19 | 13.19 | 13.18 | 13.5 | 13.63 |
| Sep 24, 2011 | 13.36 | 13.38 | 13.34 | 13.26 | 13.13 | 13.14 | 13.14 | 13.15 | 13.17 | 13.18 | 13.18 | 13.18 | 13.19 | 13.19 | 13.21 | 13.19 | 13.2 | 13.18 | 13.5 | 13.63 |
| Sep 23, 2011 | 13.32 | 13.35 | 13.33 | 13.25 | 13.13 | 13.14 | 13.14 | 13.15 | 13.16 | 13.18 | 13.18 | 13.18 | 13.19 | 13.2 | 13.22 | 13.2 | 13.21 | 13.21 | 13.5 | 13.63 |
| Sep 22, 2011 | 13.35 | 13.34 | 13.33 | 13.26 | 13.13 | 13.15 | 13.14 | 13.15 | 13.16 | 13.18 | 13.17 | 13.17 | 13.18 | 13.19 | 13.21 | 13.18 | 13.19 | 13.2 | 13.5 | 13.63 |
| Sep 21, 2011 | 13.21 | 13.27 | 13.3 | 13.25 | 13.22 | 13.2 | 13.2 | 13.22 | 13.24 | 13.19 | 13.16 | 13.16 | 13.18 | 13.18 | 13.2 | 13.18 | 13.19 | 13.19 | 13.5 | 13.63 |
| Sep 20, 2011 | 13.29 | 13.31 | 13.31 | 13.28 | 13.26 | 13.26 | 13.27 | 13.28 | 13.3 | 13.19 | 13.15 | 13.16 | 13.16 | 13.18 | 13.19 | 13.18 | 13.19 | 13.17 | 13.52 | 13.65 |
| Sep 19, 2011 | 13.32 | 13.32 | 13.29 | 13.27 | 13.26 | 13.27 | 13.28 | 13.31 | 13.35 | 13.23 | 13.23 | 13.23 | 13.24 | 13.26 | 13.27 | 13.25 | 13.27 | 13.27 | 13.53 | 13.66 |
| Sep 17, 2011 | 13.29 | 13.3 | 13.28 | 13.26 | 13.26 | 13.26 | 13.28 | 13.3 | 13.31 | 13.22 | 13.2 | 13.22 | 13.22 | 13.24 | 13.26 | 13.24 | 13.26 | 13.25 | 13.53 | 13.65 |
| Sep 16, 2011 | 13.32 | 13.27 | 13.28 | 13.26 | 13.26 | 13.27 | 13.28 | 13.3 | 13.32 | 13.19 | 13.14 | 13.15 | 13.15 | 13.17 | 13.19 | 13.15 | 13.17 | 13.15 | 13.48 | 13.64 |
| Sep 15, 2011 | 13.33 | 13.28 | 13.29 | 13.28 | 13.27 | 13.27 | 13.28 | 13.3 | 13.34 | 13.18 | 13.15 | 13.17 | 13.16 | 13.17 | 13.19 | 13.16 | 13.17 | 13.15 | 13.47 | 13.63 |
| Sep 14, 2011 | 13.24 | 13.26 | 13.28 | 13.27 | 13.27 | 13.27 | 13.28 | 13.31 | 13.38 | 13.21 | 13.2 | 13.22 | 13.23 | 13.23 | 13.24 | 13.22 | 13.24 | 13.24 | 13.51 | 13.65 |
| Sep 13, 2011 | 13.29 | 13.27 | 13.26 | 13.27 | 13.26 | 13.27 | 13.28 | 13.31 | 13.37 | 13.2 | 13.18 | 13.19 | 13.19 | 13.2 | 13.21 | 13.2 | 13.22 | 13.22 | 13.52 | 13.65 |
| Sep 12, 2011 | 13.27 | 13.26 | 13.27 | 13.27 | 13.26 | 13.27 | 13.28 | 13.31 | 13.38 | 13.19 | 13.18 | 13.19 | 13.19 | 13.2 | 13.21 | 13.2 | 13.21 | 13.22 | 13.52 | 13.65 |
| Sep 10, 2011 | 13.29 | 13.28 | 13.27 | 13.27 | 13.26 | 13.27 | 13.28 | 13.31 | 13.38 | 13.19 | 13.15 | 13.18 | 13.18 | 13.19 | 13.21 | 13.2 | 13.22 | 13.24 | 13.53 | 13.66 |
| Sep 09, 2011 | 13.32 | 13.29 | 13.27 | 13.27 | 13.26 | 13.27 | 13.28 | 13.32 | 13.38 | 13.19 | 13.14 | 13.18 | 13.16 | 13.19 | 13.2 | 13.18 | 13.2 | 13.2 | 13.51 | 13.66 |
| Sep 08, 2011 | 13.33 | 13.29 | 13.27 | 13.27 | 13.26 | 13.26 | 13.28 | 13.31 | 13.38 | 13.18 | 13.14 | 13.17 | 13.16 | 13.18 | 13.19 | 13.16 | 13.18 | 13.18 | 13.53 | 13.67 |
| Sep 07, 2011 | 13.33 | 13.28 | 13.26 | 13.24 | 13.2 | 13.24 | 13.26 | 13.29 | 13.33 | 13.15 | 13.07 | 13.13 | 13.1 | 13.15 | 13.16 | 13.13 | 13.15 | 13.11 | 13.49 | 13.65 |
| Sep 06, 2011 | 13.33 | 13.28 | 13.25 | 13.24 | 13.21 | 13.24 | 13.26 | 13.29 | 13.32 | 13.13 | 13.02 | 13.1 | 13.04 | 13.13 | 13.15 | 13.12 | 13.12 | 13.05 | 13.49 | 13.64 |
| Sep 05, 2011 | 13.25 | 13.25 | 13.22 | 13.21 | 13.2 | 13.22 | 13.26 | 13.29 | 13.31 | 13.15 | 13.02 | 13.09 | 13.04 | 13.13 | 13.15 | 13.12 | 13.12 | 13.05 | 13.48 | 13.65 |