| Value | Category | Cases | |
|---|---|---|---|
| 1974 | 4 |
0.1%
|
|
| 1979 | 7 |
0.1%
|
|
| 1980 | 17 |
0.2%
|
|
| 1981 | 23 |
0.3%
|
|
| 1982 | 31 |
0.4%
|
|
| 1983 | 21 |
0.3%
|
|
| 1984 | 43 |
0.6%
|
|
| 1985 | 35 |
0.5%
|
|
| 1986 | 68 |
0.9%
|
|
| 1987 | 43 |
0.6%
|
|
| 1988 | 79 |
1.1%
|
|
| 1989 | 131 |
1.8%
|
|
| 1990 | 111 |
1.5%
|
|
| 1991 | 142 |
1.9%
|
|
| 1992 | 103 |
1.4%
|
|
| 1993 | 158 |
2.2%
|
|
| 1994 | 153 |
2.1%
|
|
| 1995 | 178 |
2.4%
|
|
| 1996 | 199 |
2.7%
|
|
| 1997 | 153 |
2.1%
|
|
| 1998 | 262 |
3.6%
|
|
| 1999 | 285 |
3.9%
|
|
| 2000 | 282 |
3.9%
|
|
| 2001 | 190 |
2.6%
|
|
| 2002 | 169 |
2.3%
|
|
| 2003 | 349 |
4.8%
|
|
| 2004 | 350 |
4.8%
|
|
| 2005 | 270 |
3.7%
|
|
| 2006 | 312 |
4.3%
|
|
| 2007 | 406 |
5.6%
|
|
| 2008 | 378 |
5.2%
|
|
| 2009 | 318 |
4.4%
|
|
| 2010 | 419 |
5.7%
|
|
| 2011 | 417 |
5.7%
|
|
| 2012 | 528 |
7.2%
|
|
| 2013 | 620 |
8.5%
|
|
| 2014 | 33 |
0.5%
|
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | Don't know | 0 |
0%
|
| 9999 | 24 | ||
| Sysmiss | 41896 |