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| Date | 1 Week Bid | 1 Week Ask | 2 Week Bid | 2 Week Ask | 1 Month Bid | 1 Month Ask | 3 Month Bid | 3 Month Ask | 6 Month Bid | 6 Month Ask | 9 Month Bid | 9 Month Ask | 1 Year Bid | 1 Year Ask |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 31, 2012 | 11.51 | 12.01 | 11.53 | 12.03 | 11.54 | 12.04 | 11.69 | 11.94 | 11.76 | 12.01 | 11.82 | 12.32 | 11.87 | 12.37 |
| May 30, 2012 | 11.48 | 11.98 | 11.52 | 12.02 | 11.54 | 12.04 | 11.7 | 11.95 | 11.77 | 12.02 | 11.83 | 12.33 | 11.88 | 12.38 |
| May 29, 2012 | 11.2 | 11.7 | 11.33 | 11.83 | 11.49 | 11.99 | 11.68 | 11.93 | 11.75 | 12 | 11.82 | 12.32 | 11.87 | 12.37 |
| May 28, 2012 | 11.11 | 11.61 | 11.31 | 11.81 | 11.48 | 11.98 | 11.68 | 11.93 | 11.75 | 12 | 11.81 | 12.31 | 11.87 | 12.37 |
| May 25, 2012 | 11.49 | 11.99 | 11.52 | 12.02 | 11.55 | 12.05 | 11.7 | 11.95 | 11.76 | 12.01 | 11.82 | 12.32 | 11.88 | 12.38 |
| May 24, 2012 | 11.05 | 11.55 | 11.3 | 11.8 | 11.48 | 11.98 | 11.69 | 11.94 | 11.76 | 12.01 | 11.81 | 12.31 | 11.87 | 12.37 |
| May 23, 2012 | 10.77 | 11.27 | 11.09 | 11.59 | 11.44 | 11.94 | 11.68 | 11.93 | 11.75 | 12 | 11.81 | 12.31 | 11.87 | 12.37 |
| May 22, 2012 | 10.69 | 11.19 | 11.07 | 11.57 | 11.43 | 11.93 | 11.68 | 11.93 | 11.75 | 12 | 11.81 | 12.31 | 11.87 | 12.37 |
| May 21, 2012 | 11.44 | 11.94 | 11.49 | 11.99 | 11.52 | 12.02 | 11.72 | 11.97 | 11.79 | 12.04 | 11.83 | 12.33 | 11.88 | 12.38 |
| May 18, 2012 | 11.5 | 12 | 11.53 | 12.03 | 11.55 | 12.05 | 11.7 | 11.95 | 11.77 | 12.02 | 11.82 | 12.32 | 11.88 | 12.38 |
| May 17, 2012 | 11.53 | 12.03 | 11.53 | 12.03 | 11.54 | 12.04 | 11.7 | 11.95 | 11.77 | 12.02 | 11.82 | 12.32 | 11.87 | 12.37 |
| May 16, 2012 | 11.52 | 12.02 | 11.53 | 12.03 | 11.53 | 12.03 | 11.7 | 11.95 | 11.77 | 12.02 | 11.82 | 12.32 | 11.87 | 12.37 |
| May 15, 2012 | 11.52 | 12.02 | 11.53 | 12.03 | 11.54 | 12.04 | 11.7 | 11.95 | 11.77 | 12.02 | 11.82 | 12.32 | 11.87 | 12.37 |
| May 14, 2012 | 11.51 | 12.01 | 11.52 | 12.02 | 11.53 | 12.03 | 11.69 | 11.94 | 11.77 | 12.02 | 11.81 | 12.31 | 11.86 | 12.36 |
| May 11, 2012 | 11.48 | 11.98 | 11.5 | 12 | 11.52 | 12.02 | 11.68 | 11.93 | 11.75 | 12 | 11.8 | 12.3 | 11.86 | 12.36 |
| May 10, 2012 | 11.46 | 11.96 | 11.47 | 11.97 | 11.5 | 12 | 11.68 | 11.93 | 11.76 | 12.01 | 11.81 | 12.31 | 11.88 | 12.38 |
| May 09, 2012 | 11.31 | 11.81 | 11.38 | 11.88 | 11.47 | 11.97 | 11.68 | 11.93 | 11.76 | 12.01 | 11.81 | 12.31 | 11.88 | 12.38 |
| May 08, 2012 | 11.05 | 11.55 | 11.22 | 11.72 | 11.44 | 11.94 | 11.67 | 11.92 | 11.75 | 12 | 11.8 | 12.3 | 11.86 | 12.36 |
| May 07, 2012 | 10.97 | 11.47 | 11.22 | 11.72 | 11.43 | 11.93 | 11.68 | 11.93 | 11.74 | 11.99 | 11.8 | 12.3 | 11.85 | 12.35 |
| May 04, 2012 | 10.94 | 11.44 | 11.21 | 11.71 | 11.41 | 11.91 | 11.68 | 11.93 | 11.76 | 12.01 | 11.81 | 12.31 | 11.86 | 12.36 |
| May 03, 2012 | 11.07 | 11.57 | 11.3 | 11.8 | 11.46 | 11.96 | 11.68 | 11.93 | 11.75 | 12 | 11.81 | 12.31 | 11.87 | 12.37 |
| May 02, 2012 | 11.51 | 12.01 | 11.53 | 12.03 | 11.55 | 12.05 | 11.7 | 11.95 | 11.76 | 12.01 | 11.81 | 12.31 | 11.88 | 12.38 |