Value | Category | Cases | |
---|---|---|---|
1978 | 1 |
1.9%
|
|
1980 | 1 |
1.9%
|
|
1987 | 1 |
1.9%
|
|
1990 | 1 |
1.9%
|
|
1991 | 1 |
1.9%
|
|
1992 | 1 |
1.9%
|
|
1993 | 3 |
5.6%
|
|
1994 | 6 |
11.1%
|
|
1995 | 5 |
9.3%
|
|
1996 | 14 |
25.9%
|
|
1997 | 20 |
37%
|
|
Sysmiss | 249 |