Value | Category | Cases | |
---|---|---|---|
1978 | 1 |
4%
|
|
1979 | 1 |
4%
|
|
1981 | 2 |
8%
|
|
1982 | 1 |
4%
|
|
1983 | 2 |
8%
|
|
1984 | 4 |
16%
|
|
1985 | 1 |
4%
|
|
1986 | 3 |
12%
|
|
1987 | 3 |
12%
|
|
1988 | 3 |
12%
|
|
1990 | 2 |
8%
|
|
1992 | 2 |
8%
|
|
Sysmiss | 1406 |