| Value | Category | Cases | |
|---|---|---|---|
| 1985 | 1 |
0.1%
|
|
| 1994 | 1 |
0.1%
|
|
| 1996 | 4 |
0.2%
|
|
| 1997 | 8 |
0.4%
|
|
| 1998 | 3 |
0.2%
|
|
| 1999 | 10 |
0.5%
|
|
| 2000 | 18 |
0.9%
|
|
| 2001 | 21 |
1.1%
|
|
| 2002 | 54 |
2.8%
|
|
| 2003 | 38 |
2%
|
|
| 2004 | 41 |
2.1%
|
|
| 2005 | 74 |
3.8%
|
|
| 2006 | 53 |
2.7%
|
|
| 2007 | 126 |
6.5%
|
|
| 2008 | 99 |
5.1%
|
|
| 2009 | 121 |
6.3%
|
|
| 2010 | 139 |
7.2%
|
|
| 2011 | 140 |
7.3%
|
|
| 2012 | 180 |
9.3%
|
|
| 2013 | 154 |
8%
|
|
| 2014 | 190 |
9.9%
|
|
| 2015 | 180 |
9.3%
|
|
| 2016 | 170 |
8.8%
|
|
| 2017 | 93 |
4.8%
|
|
| 9997 | 10 |
0.5%
|
|
| Sysmiss | 1538 |