| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 4 |
0%
|
|
| 2002 | 4 |
0%
|
|
| 2003 | 13 |
0.1%
|
|
| 2004 | 29 |
0.1%
|
|
| 2005 | 82 |
0.4%
|
|
| 2006 | 50 |
0.2%
|
|
| 2007 | 192 |
0.8%
|
|
| 2008 | 349 |
1.5%
|
|
| 2009 | 885 |
3.9%
|
|
| 2010 | 21289 |
93%
|
|
| Sysmiss | 7669 |