| Value | Category | Cases | |
|---|---|---|---|
| 1950 | 1 | 0 |
0%
|
| 2015 | 2 | 0 |
0%
|
| 9997 | 3 | 0 |
0%
|
| 9999 | 4 | 1 |
100%
|
| Sysmiss | 1903 |