| Value | Category | Cases | |
|---|---|---|---|
| 1979 | 1 |
0%
|
|
| 1982 | 3 |
0%
|
|
| 1983 | 3 |
0%
|
|
| 1984 | 2 |
0%
|
|
| 1985 | 6 |
0%
|
|
| 1986 | 18 |
0%
|
|
| 1987 | 20 |
0%
|
|
| 1988 | 25 |
0%
|
|
| 1989 | 49 |
0.1%
|
|
| 1990 | 50 |
0.1%
|
|
| 1991 | 53 |
0.1%
|
|
| 1992 | 96 |
0.2%
|
|
| 1993 | 100 |
0.2%
|
|
| 1994 | 198 |
0.3%
|
|
| 1995 | 207 |
0.3%
|
|
| 1996 | 332 |
0.5%
|
|
| 1997 | 288 |
0.5%
|
|
| 1998 | 431 |
0.7%
|
|
| 1999 | 455 |
0.7%
|
|
| 2000 | 585 |
1%
|
|
| 2001 | 586 |
1%
|
|
| 2002 | 773 |
1.3%
|
|
| 2003 | 779 |
1.3%
|
|
| 2004 | 975 |
1.6%
|
|
| 2005 | 919 |
1.5%
|
|
| 2006 | 1279 |
2.1%
|
|
| 2007 | 1434 |
2.3%
|
|
| 2008 | 1531 |
2.5%
|
|
| 2009 | 1680 |
2.7%
|
|
| 2010 | 2056 |
3.4%
|
|
| 2011 | 2847 |
4.6%
|
|
| 2012 | 3957 |
6.5%
|
|
| 2013 | 5400 |
8.8%
|
|
| 2014 | 3355 |
5.5%
|
|
| 9997 | Inconsistent | 8 |
0%
|
| 9999 | Missing | 50 |
0.1%
|
| Sysmiss | 30735 |
50.2%
|