| Value | Category | Cases | |
|---|---|---|---|
| 1980 | 2 |
0%
|
|
| 1983 | 1 |
0%
|
|
| 1984 | 2 |
0%
|
|
| 1985 | 2 |
0%
|
|
| 1986 | 5 |
0%
|
|
| 1987 | 1 |
0%
|
|
| 1988 | 11 |
0%
|
|
| 1989 | 8 |
0%
|
|
| 1990 | 13 |
0%
|
|
| 1991 | 10 |
0%
|
|
| 1992 | 19 |
0.1%
|
|
| 1993 | 23 |
0.1%
|
|
| 1994 | 25 |
0.1%
|
|
| 1995 | 36 |
0.1%
|
|
| 1996 | 58 |
0.2%
|
|
| 1997 | 53 |
0.2%
|
|
| 1998 | 96 |
0.3%
|
|
| 1999 | 93 |
0.3%
|
|
| 2000 | 184 |
0.6%
|
|
| 2001 | 123 |
0.4%
|
|
| 2002 | 185 |
0.6%
|
|
| 2003 | 215 |
0.7%
|
|
| 2004 | 260 |
0.8%
|
|
| 2005 | 259 |
0.8%
|
|
| 2006 | 341 |
1.1%
|
|
| 2007 | 311 |
1%
|
|
| 2008 | 454 |
1.5%
|
|
| 2009 | 424 |
1.4%
|
|
| 2010 | 603 |
1.9%
|
|
| 2011 | 684 |
2.2%
|
|
| 2012 | 892 |
2.9%
|
|
| 2013 | 1047 |
3.4%
|
|
| 2014 | 1231 |
4%
|
|
| 2015 | 1711 |
5.5%
|
|
| 2016 | 2386 |
7.7%
|
|
| 2017 | 2709 |
8.7%
|
|
| 2018 | 3438 |
11.1%
|
|
| 2019 | 184 |
0.6%
|
|
| 9997 | Inconsistent | 13 |
0%
|
| 9999 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 12930 |
41.7%
|