| Cumulative | Cumulative | ||
| Number | Number | Percent | |
| After 3 Years (Summer 2009) | 135 | 135 | 29.2% |
| After 4 Years (Summer 2010) | 85 | 220 | 47.5% |
| After 5 Years (Summer 2011) | 42 | 262 | 56.6% |
| After 6 Years (Summer 2012) | 0 | 262 | 56.6% |
| After 7 Years (Summer 2013) | 0 | 262 | 56.6% |
| More than 7 Years (after Summer 2013) | 0 | 262 | 56.6% |
| Total | 262 | ||
| NOTE: Data is through August 2011. |
