| Value | Category | Cases | |
|---|---|---|---|
| 99 | Dont remember | 2 |
0.2%
|
| 1935 | 1 |
0.1%
|
|
| 1943 | 1 |
0.1%
|
|
| 1968 | 1 |
0.1%
|
|
| 1975 | 1 |
0.1%
|
|
| 1980 | 3 |
0.4%
|
|
| 1981 | 1 |
0.1%
|
|
| 1982 | 1 |
0.1%
|
|
| 1983 | 1 |
0.1%
|
|
| 1985 | 6 |
0.7%
|
|
| 1986 | 3 |
0.4%
|
|
| 1987 | 14 |
1.7%
|
|
| 1988 | 8 |
1%
|
|
| 1989 | 6 |
0.7%
|
|
| 1990 | 22 |
2.7%
|
|
| 1991 | 3 |
0.4%
|
|
| 1992 | 29 |
3.5%
|
|
| 1993 | 16 |
1.9%
|
|
| 1994 | 26 |
3.1%
|
|
| 1995 | 29 |
3.5%
|
|
| 1996 | 15 |
1.8%
|
|
| 1997 | 19 |
2.3%
|
|
| 1998 | 30 |
3.6%
|
|
| 1999 | 26 |
3.1%
|
|
| 2000 | 58 |
7%
|
|
| 2001 | 18 |
2.2%
|
|
| 2002 | 51 |
6.2%
|
|
| 2003 | 37 |
4.5%
|
|
| 2004 | 46 |
5.6%
|
|
| 2005 | 48 |
5.8%
|
|
| 2006 | 32 |
3.9%
|
|
| 2007 | 47 |
5.7%
|
|
| 2008 | 65 |
7.9%
|
|
| 2009 | 57 |
6.9%
|
|
| 2010 | 56 |
6.8%
|
|
| 2011 | 27 |
3.3%
|
|
| 2012 | 22 |
2.7%
|
|
| Sysmiss | 119250 |