| Value | Category | Cases | |
|---|---|---|---|
| 2002 | 98 |
0.3%
|
|
| 2003 | 294 |
1%
|
|
| 2004 | 2185 |
7.6%
|
|
| 2005 | 1377 |
4.8%
|
|
| 2006 | 244 |
0.8%
|
|
| 2007 | 2044 |
7.1%
|
|
| 2008 | 1335 |
4.6%
|
|
| 2009 | 351 |
1.2%
|
|
| 2010 | 233 |
0.8%
|
|
| 9996 | 9996.Missing | 20771 |
71.8%
|
| 9999 | 5 |
0%
|
|
| Sysmiss | 1629 |