Value | Category | Cases | |
---|---|---|---|
1981 | 1 |
0.1%
|
|
1984 | 2 |
0.2%
|
|
1985 | 4 |
0.3%
|
|
1987 | 3 |
0.3%
|
|
1990 | 3 |
0.3%
|
|
1991 | 2 |
0.2%
|
|
1992 | 1 |
0.1%
|
|
1993 | 24 |
2%
|
|
1994 | 392 |
32.9%
|
|
1995 | 399 |
33.5%
|
|
1996 | 277 |
23.3%
|
|
1997 | 82 |
6.9%
|
|
Sysmiss | 45 |