| Value | Category | Cases | |
|---|---|---|---|
| -95 | Missing | 0 |
0%
|
| 2000 | 1 |
0.6%
|
|
| 2005 | 15 |
8.8%
|
|
| 2006 | 40 |
23.5%
|
|
| 2007 | 6 |
3.5%
|
|
| 2008 | 9 |
5.3%
|
|
| 2009 | 20 |
11.8%
|
|
| 2010 | 65 |
38.2%
|
|
| 2011 | 14 |
8.2%
|
|
| Sysmiss | 40 |