| Value | Category | Cases | |
|---|---|---|---|
| 1 | Now | 24 |
1%
|
| 2 | Later | 50 |
2.1%
|
| 3 | Not at all | 9 |
0.4%
|
| 5 | miss | 11 |
0.5%
|
| 7 | Refusal | 0 |
0%
|
| 9 | na | 2321 |
96.1%
|
| Sysmiss | 343 |