| Value | Category | Cases | |
|---|---|---|---|
| 99 | Missing | 0 |
0%
|
| 1994 | 1 |
1.9%
|
|
| 1998 | 1 |
1.9%
|
|
| 2000 | 1 |
1.9%
|
|
| 2003 | 3 |
5.8%
|
|
| 2004 | 2 |
3.8%
|
|
| 2005 | 5 |
9.6%
|
|
| 2006 | 1 |
1.9%
|
|
| 2007 | 3 |
5.8%
|
|
| 2008 | 5 |
9.6%
|
|
| 2009 | 6 |
11.5%
|
|
| 2010 | 7 |
13.5%
|
|
| 2011 | 6 |
11.5%
|
|
| 2012 | 11 |
21.2%
|
|
| Sysmiss | 1673 |