| Value | Category | Cases | |
|---|---|---|---|
| 1982 | 1 |
0%
|
|
| 1985 | 2 |
0%
|
|
| 1986 | 2 |
0%
|
|
| 1987 | 7 |
0%
|
|
| 1988 | 13 |
0%
|
|
| 1989 | 11 |
0%
|
|
| 1990 | 25 |
0.1%
|
|
| 1991 | 17 |
0%
|
|
| 1992 | 34 |
0.1%
|
|
| 1993 | 30 |
0.1%
|
|
| 1994 | 65 |
0.2%
|
|
| 1995 | 111 |
0.3%
|
|
| 1996 | 136 |
0.3%
|
|
| 1997 | 162 |
0.4%
|
|
| 1998 | 223 |
0.5%
|
|
| 1999 | 348 |
0.8%
|
|
| 2000 | 393 |
0.9%
|
|
| 2001 | 400 |
0.9%
|
|
| 2002 | 576 |
1.3%
|
|
| 2003 | 659 |
1.5%
|
|
| 2004 | 782 |
1.8%
|
|
| 2005 | 969 |
2.3%
|
|
| 2006 | 960 |
2.2%
|
|
| 2007 | 1194 |
2.8%
|
|
| 2008 | 1325 |
3.1%
|
|
| 2009 | 1542 |
3.6%
|
|
| 2010 | 1876 |
4.4%
|
|
| 2011 | 1969 |
4.6%
|
|
| 2012 | 2364 |
5.5%
|
|
| 2013 | 2588 |
6%
|
|
| 2014 | 3472 |
8.1%
|
|
| 2015 | 4659 |
10.8%
|
|
| 2016 | 6802 |
15.8%
|
|
| 2017 | 8492 |
19.7%
|
|
| 2018 | 794 |
1.8%
|
|
| 9997 | Inconsistent | 11 |
0%
|
| 9999 | No response | 18 |
0%
|
| Sysmiss | 36478 |