| Value | Category | Cases | |
|---|---|---|---|
| 1982 | 6 |
0%
|
|
| 1983 | 8 |
0%
|
|
| 1984 | 9 |
0%
|
|
| 1985 | 3 |
0%
|
|
| 1986 | 22 |
0.1%
|
|
| 1987 | 78 |
0.3%
|
|
| 1988 | 135 |
0.6%
|
|
| 1989 | 390 |
1.7%
|
|
| 1990 | 582 |
2.5%
|
|
| 1991 | 504 |
2.2%
|
|
| 1992 | 808 |
3.5%
|
|
| 1993 | 839 |
3.7%
|
|
| 1994 | 863 |
3.8%
|
|
| 1995 | 831 |
3.6%
|
|
| 1996 | 797 |
3.5%
|
|
| 1997 | 859 |
3.7%
|
|
| 1998 | 893 |
3.9%
|
|
| 1999 | 862 |
3.8%
|
|
| 2000 | 1000 |
4.4%
|
|
| 2001 | 895 |
3.9%
|
|
| 2002 | 788 |
3.4%
|
|
| 2003 | 861 |
3.8%
|
|
| 2004 | 923 |
4%
|
|
| 2005 | 839 |
3.7%
|
|
| 2006 | 894 |
3.9%
|
|
| 2007 | 1012 |
4.4%
|
|
| 2008 | 982 |
4.3%
|
|
| 2009 | 968 |
4.2%
|
|
| 2010 | 832 |
3.6%
|
|
| 2011 | 847 |
3.7%
|
|
| 2012 | 846 |
3.7%
|
|
| 2013 | 739 |
3.2%
|
|
| 2014 | 597 |
2.6%
|
|
| 2015 | 529 |
2.3%
|
|
| 2016 | 389 |
1.7%
|
|
| 2017 | 266 |
1.2%
|
|
| 2018 | 228 |
1%
|
|
| 9999 | NO RESPONSE | 11 |
0%
|