| Value | Category | Cases | |
|---|---|---|---|
| 0 | 9000 |
50.7%
|
|
| 1 | 1 |
0%
|
|
| 7 | 1 |
0%
|
|
| 1988 | 1 |
0%
|
|
| 1993 | 4 |
0%
|
|
| 1994 | 5 |
0%
|
|
| 1995 | 21 |
0.1%
|
|
| 1996 | 139 |
0.8%
|
|
| 1997 | 196 |
1.1%
|
|
| 1998 | 264 |
1.5%
|
|
| 1999 | 354 |
2%
|
|
| 2000 | 985 |
5.6%
|
|
| 2001 | 6733 |
37.9%
|
|
| 2002 | 41 |
0.2%
|
|
| Sysmiss | 2269 |