value | category | cases | |
---|---|---|---|
1970 | 1 |
6.7%
|
|
1972 | 1 |
6.7%
|
|
1973 | 1 |
6.7%
|
|
1974 | 1 |
6.7%
|
|
1975 | 3 |
20%
|
|
1976 | 1 |
6.7%
|
|
1977 | 3 |
20%
|
|
1978 | 2 |
13.3%
|
|
1980 | 1 |
6.7%
|
|
1986 | 1 |
6.7%
|
|
Sysmiss | 2325 |