| Value | Category | Cases | |
|---|---|---|---|
| 1984 | 1 |
0%
|
|
| 1987 | 2 |
0%
|
|
| 1988 | 1 |
0%
|
|
| 1989 | 7 |
0.1%
|
|
| 1990 | 20 |
0.3%
|
|
| 1991 | 25 |
0.4%
|
|
| 1992 | 38 |
0.7%
|
|
| 1993 | 43 |
0.7%
|
|
| 1994 | 43 |
0.7%
|
|
| 1995 | 45 |
0.8%
|
|
| 1996 | 57 |
1%
|
|
| 1997 | 54 |
0.9%
|
|
| 1998 | 45 |
0.8%
|
|
| 1999 | 65 |
1.1%
|
|
| 2000 | 54 |
0.9%
|
|
| 2001 | 70 |
1.2%
|
|
| 2002 | 62 |
1.1%
|
|
| 2003 | 55 |
1%
|
|
| 2004 | 55 |
1%
|
|
| 2005 | 68 |
1.2%
|
|
| 2006 | 70 |
1.2%
|
|
| 2007 | 74 |
1.3%
|
|
| 2008 | 93 |
1.6%
|
|
| 2009 | 92 |
1.6%
|
|
| 2010 | 94 |
1.6%
|
|
| 2011 | 108 |
1.9%
|
|
| 2012 | 117 |
2%
|
|
| 2013 | 133 |
2.3%
|
|
| 2014 | 456 |
7.9%
|
|
| 2015 | 570 |
9.9%
|
|
| 2016 | 670 |
11.6%
|
|
| 2017 | 650 |
11.3%
|
|
| 2018 | 602 |
10.4%
|
|
| 2019 | 105 |
1.8%
|
|
| 9999 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 1120 |
19.4%
|