| Value | Category | Cases | |
|---|---|---|---|
| -95 | Missing | 0 |
0%
|
| 2000 | 1 |
0.6%
|
|
| 2005 | 5 |
3%
|
|
| 2006 | 29 |
17.7%
|
|
| 2007 | 17 |
10.4%
|
|
| 2008 | 32 |
19.5%
|
|
| 2009 | 17 |
10.4%
|
|
| 2010 | 54 |
32.9%
|
|
| 2011 | 9 |
5.5%
|
|
| Sysmiss | 46 |