| Value | Category | Cases | |
|---|---|---|---|
| 1 | Then | 319 |
33.2%
|
| 2 | Later | 348 |
36.2%
|
| 3 | Not at all | 295 |
30.7%
|
| 9 | N/A | 0 |
0%
|
| Sysmiss | 1035 |