| Value | Category | Cases | |
|---|---|---|---|
| 1986 | 3 |
0%
|
|
| 1987 | 1 |
0%
|
|
| 1988 | 5 |
0%
|
|
| 1989 | 13 |
0.1%
|
|
| 1990 | 22 |
0.2%
|
|
| 1991 | 8 |
0.1%
|
|
| 1992 | 40 |
0.4%
|
|
| 1993 | 13 |
0.1%
|
|
| 1994 | 43 |
0.4%
|
|
| 1995 | 46 |
0.4%
|
|
| 1996 | 44 |
0.4%
|
|
| 1997 | 83 |
0.7%
|
|
| 1998 | 74 |
0.7%
|
|
| 1999 | 113 |
1%
|
|
| 2000 | 100 |
0.9%
|
|
| 2001 | 153 |
1.4%
|
|
| 2002 | 163 |
1.4%
|
|
| 2003 | 205 |
1.8%
|
|
| 2004 | 190 |
1.7%
|
|
| 2005 | 271 |
2.4%
|
|
| 2006 | 325 |
2.9%
|
|
| 2007 | 372 |
3.3%
|
|
| 2008 | 507 |
4.5%
|
|
| 2009 | 550 |
4.9%
|
|
| 2010 | 562 |
5%
|
|
| 2011 | 546 |
4.8%
|
|
| 2012 | 720 |
6.4%
|
|
| 2013 | 908 |
8%
|
|
| 2014 | 869 |
7.7%
|
|
| 2015 | 1059 |
9.4%
|
|
| 2016 | 1328 |
11.7%
|
|
| 2017 | 1432 |
12.7%
|
|
| 2018 | 544 |
4.8%
|
|
| 9999 | NO RESPONSE | 1 |
0%
|