Value | Category | Cases | |
---|---|---|---|
1988 | 1 |
0.2%
|
|
1989 | 1 |
0.2%
|
|
1996 | 1 |
0.2%
|
|
1997 | 27 |
5.3%
|
|
1998 | 165 |
32.5%
|
|
1999 | 181 |
35.7%
|
|
2000 | 131 |
25.8%
|
|
Sysmiss | 8489 |