| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 9 |
0.2%
|
| -888 | -888 | 153 |
3.4%
|
| 1 | Immediately | 2518 |
56.7%
|
| 2 | Otherwise | 1760 |
39.6%
|
| Sysmiss | 510 |