| Value | Category | Cases | |
|---|---|---|---|
| 3 | 1 |
0%
|
|
| 7 | 1 |
0%
|
|
| 12 | 1 |
0%
|
|
| 93 | 1 |
0%
|
|
| 1995 | 29 |
0.8%
|
|
| 1996 | 493 |
13.4%
|
|
| 1997 | 637 |
17.3%
|
|
| 1998 | 778 |
21.1%
|
|
| 1999 | 972 |
26.4%
|
|
| 2000 | 766 |
20.8%
|
|
| 9997 | Missing | 0 |
0%
|
| Sysmiss | 3587 |