| Value | Category | Cases | |
|---|---|---|---|
| -5 | Other missing; Multiple answers Mail (EVS) {other missing} | 2 |
0.2%
|
| -1 | Don't know | 9 |
0.8%
|
| 1936 | 1 |
0.1%
|
|
| 1938 | 1 |
0.1%
|
|
| 1943 | 1 |
0.1%
|
|
| 1944 | 1 |
0.1%
|
|
| 1948 | 2 |
0.2%
|
|
| 1950 | 3 |
0.3%
|
|
| 1952 | 4 |
0.3%
|
|
| 1953 | 6 |
0.5%
|
|
| 1954 | 4 |
0.3%
|
|
| 1955 | 4 |
0.3%
|
|
| 1956 | 6 |
0.5%
|
|
| 1957 | 5 |
0.4%
|
|
| 1958 | 7 |
0.6%
|
|
| 1959 | 12 |
1%
|
|
| 1960 | 13 |
1.1%
|
|
| 1961 | 8 |
0.7%
|
|
| 1962 | 13 |
1.1%
|
|
| 1963 | 12 |
1%
|
|
| 1964 | 14 |
1.2%
|
|
| 1965 | 20 |
1.7%
|
|
| 1966 | 22 |
1.8%
|
|
| 1967 | 23 |
1.9%
|
|
| 1968 | 22 |
1.8%
|
|
| 1969 | 24 |
2%
|
|
| 1970 | 34 |
2.8%
|
|
| 1971 | 30 |
2.5%
|
|
| 1972 | 37 |
3.1%
|
|
| 1973 | 34 |
2.8%
|
|
| 1974 | 27 |
2.3%
|
|
| 1975 | 40 |
3.3%
|
|
| 1976 | 39 |
3.3%
|
|
| 1977 | 35 |
2.9%
|
|
| 1978 | 21 |
1.8%
|
|
| 1979 | 37 |
3.1%
|
|
| 1980 | 32 |
2.7%
|
|
| 1981 | 30 |
2.5%
|
|
| 1982 | 21 |
1.8%
|
|
| 1983 | 32 |
2.7%
|
|
| 1984 | 28 |
2.3%
|
|
| 1985 | 41 |
3.4%
|
|
| 1986 | 23 |
1.9%
|
|
| 1987 | 22 |
1.8%
|
|
| 1988 | 36 |
3%
|
|
| 1989 | 26 |
2.2%
|
|
| 1990 | 25 |
2.1%
|
|
| 1991 | 22 |
1.8%
|
|
| 1992 | 25 |
2.1%
|
|
| 1993 | 25 |
2.1%
|
|
| 1994 | 21 |
1.8%
|
|
| 1995 | 28 |
2.3%
|
|
| 1996 | 23 |
1.9%
|
|
| 1997 | 25 |
2.1%
|
|
| 1998 | 19 |
1.6%
|
|
| 1999 | 27 |
2.3%
|
|
| 2000 | 27 |
2.3%
|
|
| 2001 | 29 |
2.4%
|
|
| 2002 | 17 |
1.4%
|
|
| 2003 | 19 |
1.6%
|