| Value | Category | Cases | |
|---|---|---|---|
| 1993 | 5 |
1.6%
|
|
| 1994 | 6 |
2%
|
|
| 1995 | 7 |
2.3%
|
|
| 1996 | 11 |
3.6%
|
|
| 1997 | 8 |
2.6%
|
|
| 1999 | 5 |
1.6%
|
|
| 2000 | 11 |
3.6%
|
|
| 2001 | 7 |
2.3%
|
|
| 2002 | 12 |
3.9%
|
|
| 2003 | 11 |
3.6%
|
|
| 2005 | 23 |
7.5%
|
|
| 2006 | 12 |
3.9%
|
|
| 2007 | 5 |
1.6%
|
|
| 2008 | 20 |
6.5%
|
|
| 2009 | 27 |
8.8%
|
|
| 2010 | 5 |
1.6%
|
|
| 2011 | 9 |
2.9%
|
|
| 2012 | 7 |
2.3%
|
|
| 2013 | 35 |
11.4%
|
|
| 2014 | 41 |
13.4%
|
|
| 2015 | 36 |
11.8%
|
|
| 2016 | 3 |
1%
|
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 62287 |