Value | Category | Cases | |
---|---|---|---|
-9 | don't know | 19 |
1.7%
|
-8 | does not apply | 0 |
0%
|
-7 | refused to answer | 1 |
0.1%
|
1945 | 3 |
0.3%
|
|
1950 | 1 |
0.1%
|
|
1953 | 3 |
0.3%
|
|
1955 | 3 |
0.3%
|
|
1956 | 1 |
0.1%
|
|
1958 | 2 |
0.2%
|
|
1959 | 1 |
0.1%
|
|
1960 | 3 |
0.3%
|
|
1962 | 3 |
0.3%
|
|
1963 | 7 |
0.6%
|
|
1964 | 7 |
0.6%
|
|
1965 | 4 |
0.4%
|
|
1967 | 5 |
0.5%
|
|
1968 | 3 |
0.3%
|
|
1969 | 1 |
0.1%
|
|
1970 | 18 |
1.6%
|
|
1971 | 4 |
0.4%
|
|
1972 | 10 |
0.9%
|
|
1973 | 7 |
0.6%
|
|
1974 | 7 |
0.6%
|
|
1975 | 14 |
1.3%
|
|
1976 | 13 |
1.2%
|
|
1977 | 19 |
1.7%
|
|
1978 | 19 |
1.7%
|
|
1979 | 10 |
0.9%
|
|
1980 | 36 |
3.3%
|
|
1981 | 14 |
1.3%
|
|
1982 | 29 |
2.6%
|
|
1983 | 13 |
1.2%
|
|
1984 | 23 |
2.1%
|
|
1985 | 30 |
2.7%
|
|
1986 | 21 |
1.9%
|
|
1987 | 22 |
2%
|
|
1988 | 27 |
2.5%
|
|
1989 | 28 |
2.6%
|
|
1990 | 50 |
4.6%
|
|
1991 | 26 |
2.4%
|
|
1992 | 22 |
2%
|
|
1993 | 23 |
2.1%
|
|
1994 | 30 |
2.7%
|
|
1995 | 31 |
2.8%
|
|
1996 | 34 |
3.1%
|
|
1997 | 36 |
3.3%
|
|
1998 | 41 |
3.7%
|
|
1999 | 23 |
2.1%
|
|
2000 | 53 |
4.8%
|
|
2001 | 29 |
2.6%
|
|
2002 | 29 |
2.6%
|
|
2003 | 26 |
2.4%
|
|
2004 | 37 |
3.4%
|
|
2005 | 68 |
6.2%
|
|
2006 | 41 |
3.7%
|
|
2007 | 57 |
5.2%
|
|
2008 | 10 |
0.9%
|
|
Sysmiss | 3024 |