| Value | Category | Cases | |
|---|---|---|---|
| 1980 | 3 |
0%
|
|
| 1981 | 3 |
0%
|
|
| 1982 | 9 |
0%
|
|
| 1983 | 11 |
0%
|
|
| 1984 | 26 |
0%
|
|
| 1985 | 55 |
0.1%
|
|
| 1986 | 84 |
0.1%
|
|
| 1987 | 116 |
0.2%
|
|
| 1988 | 217 |
0.3%
|
|
| 1989 | 332 |
0.5%
|
|
| 1990 | 495 |
0.7%
|
|
| 1991 | 580 |
0.8%
|
|
| 1992 | 710 |
1%
|
|
| 1993 | 862 |
1.2%
|
|
| 1994 | 1046 |
1.5%
|
|
| 1995 | 1220 |
1.7%
|
|
| 1996 | 1280 |
1.8%
|
|
| 1997 | 1501 |
2.1%
|
|
| 1998 | 1586 |
2.2%
|
|
| 1999 | 1817 |
2.6%
|
|
| 2000 | 2120 |
3%
|
|
| 2001 | 2206 |
3.1%
|
|
| 2002 | 2295 |
3.2%
|
|
| 2003 | 2546 |
3.6%
|
|
| 2004 | 2874 |
4%
|
|
| 2005 | 3087 |
4.3%
|
|
| 2006 | 3315 |
4.7%
|
|
| 2007 | 3309 |
4.7%
|
|
| 2008 | 3511 |
4.9%
|
|
| 2009 | 3746 |
5.3%
|
|
| 2010 | 3875 |
5.5%
|
|
| 2011 | 3925 |
5.5%
|
|
| 2012 | 3778 |
5.3%
|
|
| 2013 | 3716 |
5.2%
|
|
| 2014 | 3713 |
5.2%
|
|
| 2015 | 3445 |
4.9%
|
|
| 2016 | 3291 |
4.6%
|
|
| 2017 | 3358 |
4.7%
|
|
| 2018 | 905 |
1.3%
|
|
| 9999 | NO RESPONSE | 18 |
0%
|