| Value | Category | Cases | |
|---|---|---|---|
| 2001 | 1 |
1%
|
|
| 2002 | 1 |
1%
|
|
| 2003 | 3 |
3.1%
|
|
| 2004 | 2 |
2%
|
|
| 2005 | 4 |
4.1%
|
|
| 2006 | 2 |
2%
|
|
| 2007 | 4 |
4.1%
|
|
| 2008 | 5 |
5.1%
|
|
| 2009 | 8 |
8.2%
|
|
| 2010 | 14 |
14.3%
|
|
| 2011 | 13 |
13.3%
|
|
| 2012 | 22 |
22.4%
|
|
| 2013 | 19 |
19.4%
|
|
| Sysmiss | 10818 |