Value | Category | Cases | |
---|---|---|---|
1951 | 1 |
0%
|
|
1956 | 17 |
0.1%
|
|
1957 | 145 |
0.5%
|
|
1958 | 275 |
1%
|
|
1959 | 162 |
0.6%
|
|
1960 | 321 |
1.2%
|
|
1961 | 549 |
2%
|
|
1962 | 151 |
0.6%
|
|
1963 | 248 |
0.9%
|
|
1964 | 335 |
1.2%
|
|
1965 | 382 |
1.4%
|
|
1966 | 924 |
3.4%
|
|
1967 | 380 |
1.4%
|
|
1968 | 784 |
2.9%
|
|
1969 | 506 |
1.9%
|
|
1970 | 821 |
3%
|
|
1971 | 1164 |
4.3%
|
|
1972 | 449 |
1.7%
|
|
1973 | 477 |
1.8%
|
|
1974 | 708 |
2.6%
|
|
1975 | 638 |
2.4%
|
|
1976 | 1714 |
6.4%
|
|
1977 | 685 |
2.5%
|
|
1978 | 1319 |
4.9%
|
|
1979 | 857 |
3.2%
|
|
1980 | 1309 |
4.9%
|
|
1981 | 1521 |
5.6%
|
|
1982 | 903 |
3.4%
|
|
1983 | 837 |
3.1%
|
|
1984 | 953 |
3.5%
|
|
1985 | 820 |
3%
|
|
1986 | 1448 |
5.4%
|
|
1987 | 891 |
3.3%
|
|
1988 | 1221 |
4.5%
|
|
1989 | 806 |
3%
|
|
1990 | 1131 |
4.2%
|
|
1991 | 248 |
0.9%
|
|
9997 | Inconsistent | 2 |
0%
|
9998 | DK | 805 |
3%
|
9999 | Missing | 16 |
0.1%
|
Sysmiss | 5676 |