| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7174 |
44.6%
|
|
| 3 | 2 |
0%
|
|
| 7 | 2 |
0%
|
|
| 10 | 3 |
0%
|
|
| 30 | 3 |
0%
|
|
| 99 | 1 |
0%
|
|
| 1990 | 3 |
0%
|
|
| 1991 | 3 |
0%
|
|
| 1992 | 7 |
0%
|
|
| 1993 | 102 |
0.6%
|
|
| 1994 | 345 |
2.1%
|
|
| 1995 | 727 |
4.5%
|
|
| 1996 | 766 |
4.8%
|
|
| 1997 | 809 |
5%
|
|
| 1998 | 1271 |
7.9%
|
|
| 1999 | 4848 |
30.2%
|
|
| 2000 | 8 |
0%
|
|
| Sysmiss | 4374 |