value | category | cases | |
---|---|---|---|
1968 | 1 |
0.6%
|
|
1969 | 2 |
1.3%
|
|
1970 | 1 |
0.6%
|
|
1971 | 5 |
3.1%
|
|
1972 | 5 |
3.1%
|
|
1973 | 10 |
6.3%
|
|
1974 | 12 |
7.5%
|
|
1975 | 16 |
10%
|
|
1976 | 19 |
11.9%
|
|
1977 | 20 |
12.5%
|
|
1978 | 18 |
11.3%
|
|
1979 | 14 |
8.8%
|
|
1980 | 12 |
7.5%
|
|
1981 | 9 |
5.6%
|
|
1982 | 7 |
4.4%
|
|
1983 | 4 |
2.5%
|
|
1985 | 3 |
1.9%
|
|
1986 | 2 |
1.3%
|
|
Sysmiss | 12317 |