| Value | Category | Cases | |
|---|---|---|---|
| 1982 | 1 |
0%
|
|
| 1983 | 1 |
0%
|
|
| 1984 | 1 |
0%
|
|
| 1985 | 2 |
0%
|
|
| 1986 | 5 |
0%
|
|
| 1987 | 18 |
0.1%
|
|
| 1988 | 39 |
0.2%
|
|
| 1989 | 120 |
0.5%
|
|
| 1990 | 197 |
0.9%
|
|
| 1991 | 248 |
1.1%
|
|
| 1992 | 365 |
1.6%
|
|
| 1993 | 394 |
1.7%
|
|
| 1994 | 509 |
2.2%
|
|
| 1995 | 572 |
2.5%
|
|
| 1996 | 537 |
2.3%
|
|
| 1997 | 610 |
2.7%
|
|
| 1998 | 620 |
2.7%
|
|
| 1999 | 628 |
2.7%
|
|
| 2000 | 677 |
3%
|
|
| 2001 | 669 |
2.9%
|
|
| 2002 | 654 |
2.9%
|
|
| 2003 | 674 |
2.9%
|
|
| 2004 | 707 |
3.1%
|
|
| 2005 | 704 |
3.1%
|
|
| 2006 | 771 |
3.4%
|
|
| 2007 | 917 |
4%
|
|
| 2008 | 1045 |
4.6%
|
|
| 2009 | 1033 |
4.5%
|
|
| 2010 | 1018 |
4.4%
|
|
| 2011 | 1117 |
4.9%
|
|
| 2012 | 1170 |
5.1%
|
|
| 2013 | 1216 |
5.3%
|
|
| 2014 | 1227 |
5.3%
|
|
| 2015 | 1242 |
5.4%
|
|
| 2016 | 1130 |
4.9%
|
|
| 2017 | 1057 |
4.6%
|
|
| 2018 | 1027 |
4.5%
|
|
| 9999 | NO RESPONSE | 13 |
0.1%
|