First-year historical retention rates
Retention rates in the recent years have been consistently over 90%. The current retention rate is 90.3%.
| 2008 | 90.3% |
| 2007 | 90.3% |
| 2006 | 91.0% |
| 2005 | 91.0% |
| 2004 | 91.7% |
Retention rates in the recent years have been consistently over 90%. The current retention rate is 90.3%.
| 2008 | 90.3% |
| 2007 | 90.3% |
| 2006 | 91.0% |
| 2005 | 91.0% |
| 2004 | 91.7% |