| Value | Category | Cases | |
|---|---|---|---|
| 1993 | 2 |
0.1%
|
|
| 1995 | 3 |
0.1%
|
|
| 1996 | 2 |
0.1%
|
|
| 1997 | 1 |
0%
|
|
| 1998 | 4 |
0.1%
|
|
| 1999 | 6 |
0.2%
|
|
| 2000 | 9 |
0.3%
|
|
| 2001 | 16 |
0.5%
|
|
| 2002 | 14 |
0.4%
|
|
| 2003 | 21 |
0.7%
|
|
| 2004 | 23 |
0.7%
|
|
| 2005 | 22 |
0.7%
|
|
| 2006 | 32 |
1%
|
|
| 2007 | 20 |
0.6%
|
|
| 2008 | 33 |
1%
|
|
| 2009 | 47 |
1.5%
|
|
| 2010 | 27 |
0.8%
|
|
| 2011 | 43 |
1.3%
|
|
| 2012 | 38 |
1.2%
|
|
| 2013 | 55 |
1.7%
|
|
| 2014 | 51 |
1.6%
|
|
| 2015 | 60 |
1.9%
|
|
| 2016 | 78 |
2.4%
|
|
| 2017 | 99 |
3.1%
|
|
| 2018 | 103 |
3.2%
|
|
| 2019 | 137 |
4.3%
|
|
| 2020 | 7 |
0.2%
|
|
| 9999 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 2243 |
70.2%
|