Value | Category | Cases | |
---|---|---|---|
1993 | 1 |
0.4%
|
|
1995 | 1 |
0.4%
|
|
1996 | 1 |
0.4%
|
|
1997 | 12 |
4.4%
|
|
1998 | 231 |
85.2%
|
|
Sysmiss | 25 |