| Value | Category | Cases | |
|---|---|---|---|
| 99 | Missing | 1 |
0.5%
|
| 1998 | 1 |
0.5%
|
|
| 2000 | 6 |
3.2%
|
|
| 2001 | 2 |
1.1%
|
|
| 2002 | 2 |
1.1%
|
|
| 2003 | 3 |
1.6%
|
|
| 2004 | 3 |
1.6%
|
|
| 2005 | 8 |
4.2%
|
|
| 2006 | 12 |
6.3%
|
|
| 2007 | 10 |
5.3%
|
|
| 2008 | 28 |
14.8%
|
|
| 2009 | 30 |
15.9%
|
|
| 2010 | 35 |
18.5%
|
|
| 2011 | 25 |
13.2%
|
|
| 2012 | 21 |
11.1%
|
|
| 2013 | 2 |
1.1%
|
|
| Sysmiss | 1536 |