Value | Category | Cases | |
---|---|---|---|
-2 | Refusal to answer | 0 |
0%
|
-1 | Don't know | 0 |
0%
|
99 | 3 |
1.4%
|
|
1945 | 1 |
0.5%
|
|
1959 | 2 |
0.9%
|
|
1960 | 3 |
1.4%
|
|
1962 | 1 |
0.5%
|
|
1963 | 2 |
0.9%
|
|
1966 | 1 |
0.5%
|
|
1971 | 1 |
0.5%
|
|
1973 | 1 |
0.5%
|
|
1974 | 3 |
1.4%
|
|
1975 | 6 |
2.8%
|
|
1976 | 1 |
0.5%
|
|
1977 | 1 |
0.5%
|
|
1978 | 1 |
0.5%
|
|
1979 | 2 |
0.9%
|
|
1980 | 7 |
3.3%
|
|
1981 | 4 |
1.9%
|
|
1982 | 1 |
0.5%
|
|
1983 | 8 |
3.7%
|
|
1984 | 2 |
0.9%
|
|
1985 | 4 |
1.9%
|
|
1986 | 6 |
2.8%
|
|
1987 | 1 |
0.5%
|
|
1988 | 6 |
2.8%
|
|
1989 | 5 |
2.3%
|
|
1990 | 6 |
2.8%
|
|
1991 | 7 |
3.3%
|
|
1992 | 10 |
4.7%
|
|
1993 | 12 |
5.6%
|
|
1994 | 10 |
4.7%
|
|
1995 | 13 |
6.1%
|
|
1996 | 13 |
6.1%
|
|
1997 | 14 |
6.5%
|
|
1998 | 18 |
8.4%
|
|
1999 | 16 |
7.5%
|
|
2000 | 16 |
7.5%
|
|
2001 | 6 |
2.8%
|
|
Sysmiss | 24 |