| Value | Category | Cases | |
|---|---|---|---|
| 1990 | 1 |
0%
|
|
| 1993 | 1 |
0%
|
|
| 1994 | 2 |
0.1%
|
|
| 1995 | 1 |
0%
|
|
| 1996 | 6 |
0.3%
|
|
| 1997 | 14 |
0.6%
|
|
| 1998 | 6 |
0.3%
|
|
| 1999 | 8 |
0.3%
|
|
| 2000 | 20 |
0.8%
|
|
| 2001 | 11 |
0.5%
|
|
| 2002 | 54 |
2.3%
|
|
| 2003 | 27 |
1.1%
|
|
| 2004 | 35 |
1.5%
|
|
| 2005 | 56 |
2.3%
|
|
| 2006 | 46 |
1.9%
|
|
| 2007 | 134 |
5.6%
|
|
| 2008 | 73 |
3.1%
|
|
| 2009 | 112 |
4.7%
|
|
| 2010 | 129 |
5.4%
|
|
| 2011 | 142 |
5.9%
|
|
| 2012 | 237 |
9.9%
|
|
| 2013 | 171 |
7.1%
|
|
| 2014 | 266 |
11.1%
|
|
| 2015 | 282 |
11.8%
|
|
| 2016 | 320 |
13.4%
|
|
| 2017 | 237 |
9.9%
|
|
| 9998 | 1 |
0%
|
|
| Sysmiss | 1074 |