| Value | Category | Cases | |
|---|---|---|---|
| -95 | Missing | 0 |
0%
|
| 2005 | 12 |
7%
|
|
| 2006 | 45 |
26.2%
|
|
| 2007 | 22 |
12.8%
|
|
| 2008 | 20 |
11.6%
|
|
| 2009 | 9 |
5.2%
|
|
| 2010 | 53 |
30.8%
|
|
| 2011 | 11 |
6.4%
|
|
| Sysmiss | 38 |