| Value | Category | Cases | |
|---|---|---|---|
| 0 | 85 |
40.9%
|
|
| 999 | 16 |
7.7%
|
|
| 99999 | 1 |
0.5%
|
|
| 999999 | 106 |
51%
|
|
| Sysmiss | 1 |