| Value | Category | Cases | |
|---|---|---|---|
| -9 | 1 |
0%
|
|
| 1910 | 1 |
0%
|
|
| 1929 | 1 |
0%
|
|
| 1932 | 2 |
0%
|
|
| 1934 | 2 |
0%
|
|
| 1935 | 2 |
0%
|
|
| 1937 | 1 |
0%
|
|
| 1938 | 3 |
0%
|
|
| 1940 | 2 |
0%
|
|
| 1943 | 2 |
0%
|
|
| 1945 | 1 |
0%
|
|
| 1946 | 2 |
0%
|
|
| 1947 | 5 |
0.1%
|
|
| 1948 | 7 |
0.1%
|
|
| 1949 | 4 |
0%
|
|
| 1950 | 12 |
0.1%
|
|
| 1951 | 7 |
0.1%
|
|
| 1952 | 12 |
0.1%
|
|
| 1953 | 19 |
0.2%
|
|
| 1954 | 19 |
0.2%
|
|
| 1955 | 22 |
0.2%
|
|
| 1956 | 36 |
0.4%
|
|
| 1957 | 10 |
0.1%
|
|
| 1958 | 37 |
0.4%
|
|
| 1959 | 40 |
0.4%
|
|
| 1960 | 65 |
0.7%
|
|
| 1961 | 29 |
0.3%
|
|
| 1962 | 47 |
0.5%
|
|
| 1963 | 63 |
0.6%
|
|
| 1964 | 53 |
0.5%
|
|
| 1965 | 88 |
0.9%
|
|
| 1966 | 80 |
0.8%
|
|
| 1967 | 73 |
0.7%
|
|
| 1968 | 93 |
0.9%
|
|
| 1969 | 102 |
1%
|
|
| 1970 | 151 |
1.5%
|
|
| 1971 | 142 |
1.4%
|
|
| 1972 | 190 |
1.9%
|
|
| 1973 | 178 |
1.8%
|
|
| 1974 | 158 |
1.6%
|
|
| 1975 | 182 |
1.8%
|
|
| 1976 | 173 |
1.7%
|
|
| 1977 | 249 |
2.5%
|
|
| 1978 | 190 |
1.9%
|
|
| 1979 | 232 |
2.3%
|
|
| 1980 | 276 |
2.8%
|
|
| 1981 | 224 |
2.3%
|
|
| 1982 | 310 |
3.1%
|
|
| 1983 | 240 |
2.4%
|
|
| 1984 | 242 |
2.4%
|
|
| 1985 | 265 |
2.7%
|
|
| 1986 | 214 |
2.2%
|
|
| 1987 | 167 |
1.7%
|
|
| 1988 | 184 |
1.9%
|
|
| 1989 | 155 |
1.6%
|
|
| 1990 | 130 |
1.3%
|
|
| 1991 | 85 |
0.9%
|
|
| 1992 | 75 |
0.8%
|
|
| 1993 | 56 |
0.6%
|
|
| 1994 | 40 |
0.4%
|
|
| 1995 | 19 |
0.2%
|
|
| 1996 | 14 |
0.1%
|
|
| 1997 | 3 |
0%
|
|
| 1999 | 1 |
0%
|
|
| 3333 | Missing | 4 |
0%
|
| 5555 | Not applicable | 11 |
0.1%
|
| 8888 | Refused | 7 |
0.1%
|
| 9999 | Don't know | 4408 |
44.4%
|
| Sysmiss | 4000 |