| Value | Category | Cases | |
|---|---|---|---|
| 1983 | 1 |
0%
|
|
| 1984 | 4 |
0.1%
|
|
| 1985 | 8 |
0.3%
|
|
| 1986 | 12 |
0.4%
|
|
| 1987 | 14 |
0.5%
|
|
| 1988 | 26 |
0.9%
|
|
| 1989 | 34 |
1.1%
|
|
| 1990 | 44 |
1.4%
|
|
| 1991 | 44 |
1.4%
|
|
| 1992 | 69 |
2.3%
|
|
| 1993 | 54 |
1.8%
|
|
| 1994 | 61 |
2%
|
|
| 1995 | 74 |
2.4%
|
|
| 1996 | 78 |
2.6%
|
|
| 1997 | 61 |
2%
|
|
| 1998 | 76 |
2.5%
|
|
| 1999 | 83 |
2.7%
|
|
| 2000 | 92 |
3%
|
|
| 2001 | 93 |
3.1%
|
|
| 2002 | 84 |
2.8%
|
|
| 2003 | 93 |
3.1%
|
|
| 2004 | 101 |
3.3%
|
|
| 2005 | 107 |
3.5%
|
|
| 2006 | 93 |
3.1%
|
|
| 2007 | 126 |
4.2%
|
|
| 2008 | 108 |
3.6%
|
|
| 2009 | 147 |
4.8%
|
|
| 2010 | 126 |
4.2%
|
|
| 2011 | 121 |
4%
|
|
| 2012 | 139 |
4.6%
|
|
| 2013 | 144 |
4.7%
|
|
| 2014 | 156 |
5.1%
|
|
| 2015 | 149 |
4.9%
|
|
| 2016 | 139 |
4.6%
|
|
| 2017 | 125 |
4.1%
|
|
| 2018 | 116 |
3.8%
|
|
| 2019 | 11 |
0.4%
|
|
| 9999 | NO RESPONSE | 22 |
0.7%
|