Below is a graph that shows the cumulative number of events over time. It seems to have a nice 2nd order polynomial curve to it. The breakdown by year is:
| 2003 | 6 |
| 2004 | 6 |
| 2005 | 9 |
| 2006 | 11 |
| 2007 | 12 |
| 2008 | 11 |

"Count what is countable. Measure what is measureable. What is not measureable, make measureable." -- Galileo
| 2003 | 6 |
| 2004 | 6 |
| 2005 | 9 |
| 2006 | 11 |
| 2007 | 12 |
| 2008 | 11 |
