| Value | Category | Cases | |
|---|---|---|---|
| 0 | 32 |
16.2%
|
|
| 999 | 19 |
9.6%
|
|
| 2000 | 1 |
0.5%
|
|
| 999999 | 145 |
73.6%
|
|
| Sysmiss | 12 |