| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 1 |
0%
|
|
| 2003 | 1 |
0%
|
|
| 2008 | 25 |
0.6%
|
|
| 2009 | 3609 |
84.8%
|
|
| 2010 | 620 |
14.6%
|