| Value | Category | Cases | |
|---|---|---|---|
| 1993 | 1 |
2.7%
|
|
| 2000 | 1 |
2.7%
|
|
| 2001 | 1 |
2.7%
|
|
| 2003 | 3 |
8.1%
|
|
| 2004 | 1 |
2.7%
|
|
| 2006 | 2 |
5.4%
|
|
| 2009 | 2 |
5.4%
|
|
| 2010 | 7 |
18.9%
|
|
| 2011 | 1 |
2.7%
|
|
| 2012 | 10 |
27%
|
|
| 2013 | 7 |
18.9%
|
|
| 2101 | 1 |
2.7%
|
|
| Sysmiss | 78 |