| How long ago did your opnion change? |
TRACK POINTS | 02/14/11 | 03/25/13 | 06/17/13 | n/a | n/a | n/a | n/a | n/a | n/a |
± 10.2% | ± 10.7% | ± 11.7% | n/a | n/a | n/a | n/a | n/a | n/a |
| ALL | ALL | ALL | n/a | n/a | n/a | n/a | n/a | n/a |
Past Six Months | 14% | 7% | 13% | n/a | n/a | n/a | n/a | n/a | n/a |
Past Year | 22% | 40% | 24% | n/a | n/a | n/a | n/a | n/a | n/a |
More Than One Year Ago | 60% | 48% | 56% | n/a | n/a | n/a | n/a | n/a | n/a |
Not Sure | 5% | 5% | 8% | n/a | n/a | n/a | n/a | n/a | n/a |
Total | 100% | 100% | 100% | n/a | n/a | n/a | n/a | n/a | n/a |