Number of Isolates Falling into One of the Six Main Genera
| Time | Number of Isolates Falling into a Major Taxonomic Group | Percentage |
|---|---|---|
| 2001 | 477 | 77% |
| 2002 | 410 | 83% |
| 2003 | 246 | 86% |
| 2004 | 538 | 61% |
| 2005 | 432 | 76% |
| 2006 | 827 | 91% |
| 2007 | 782 | 77% |
| 2008 | 520 | 90% |
| 2009 | 624 | 99% |
| Mean | 82% |