Value | Category | Cases | |
---|---|---|---|
1 | Do not know | 1114 |
50.1%
|
1970 | 9 |
0.4%
|
|
1972 | 2 |
0.1%
|
|
1974 | 3 |
0.1%
|
|
1975 | 4 |
0.2%
|
|
1978 | 4 |
0.2%
|
|
1979 | 3 |
0.1%
|
|
1980 | 10 |
0.4%
|
|
1981 | 1 |
0%
|
|
1984 | 5 |
0.2%
|
|
1985 | 4 |
0.2%
|
|
1986 | 23 |
1%
|
|
1987 | 7 |
0.3%
|
|
1988 | 8 |
0.4%
|
|
1989 | 15 |
0.7%
|
|
1990 | 14 |
0.6%
|
|
1992 | 21 |
0.9%
|
|
1993 | 36 |
1.6%
|
|
1994 | 18 |
0.8%
|
|
1995 | 19 |
0.9%
|
|
1996 | 25 |
1.1%
|
|
1997 | 10 |
0.4%
|
|
1998 | 31 |
1.4%
|
|
1999 | 29 |
1.3%
|
|
2000 | 33 |
1.5%
|
|
2001 | 16 |
0.7%
|
|
2002 | 45 |
2%
|
|
2003 | 15 |
0.7%
|
|
2004 | 24 |
1.1%
|
|
2005 | 19 |
0.9%
|
|
2006 | 48 |
2.2%
|
|
2007 | 76 |
3.4%
|
|
2008 | 59 |
2.7%
|
|
2009 | 72 |
3.2%
|
|
2010 | 108 |
4.9%
|
|
2011 | 146 |
6.6%
|
|
2012 | 86 |
3.9%
|
|
2013 | 62 |
2.8%
|
|
Sysmiss | 13104 |