| Value | Category | Cases | |
|---|---|---|---|
| 7 | 1 |
0%
|
|
| 66 | 1 |
0%
|
|
| 92 | 1 |
0%
|
|
| 93 | 1 |
0%
|
|
| 1995 | 29 |
0.8%
|
|
| 1996 | 500 |
13.6%
|
|
| 1997 | 630 |
17.1%
|
|
| 1998 | 785 |
21.3%
|
|
| 1999 | 969 |
26.3%
|
|
| 2000 | 762 |
20.7%
|
|
| 9997 | Missing | 0 |
0%
|
| Sysmiss | 3587 |