Value | Category | Cases | |
---|---|---|---|
1988 | 2 |
25%
|
|
1990 | 1 |
12.5%
|
|
1991 | 1 |
12.5%
|
|
1992 | 1 |
12.5%
|
|
1993 | 1 |
12.5%
|
|
1994 | 2 |
25%
|
|
Sysmiss | 23 |