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| Cohort Year* | # of ENI | % of Total Cohort |
|---|---|---|
| 2003 | 236 | 16% |
| 2004 | 185 | 12% |
| 2005 | 194 | 13% |
| 2006 | 167 | 11% |
| 2007 | 199 | 13% |
| 2008 | 151 | 10% |
| 2009 | 197 | 13% |
| 2010 | 167 | 11% |
| Total Cohort | 1496 | 100% |
*Cohort Year = FY in which ENI received index award and entered study cohort
