| Value | Category | Cases | |
|---|---|---|---|
| 2003 | 1 |
0%
|
|
| 2004 | 1 |
0%
|
|
| 2005 | 2 |
0.1%
|
|
| 2006 | 9 |
0.3%
|
|
| 2007 | 1892 |
61.3%
|
|
| 2008 | 1180 |
38.2%
|