Value | Category | Cases | |
---|---|---|---|
1989 | 1 |
0.6%
|
|
1990 | 1 |
0.6%
|
|
1992 | 7 |
4.3%
|
|
1993 | 13 |
8.1%
|
|
1994 | 17 |
10.6%
|
|
1995 | 28 |
17.4%
|
|
1996 | 48 |
29.8%
|
|
1997 | 43 |
26.7%
|
|
1998 | 3 |
1.9%
|
|
Sysmiss | 123 |