| Value | Category | Cases | |
|---|---|---|---|
| -9 | 2 |
0.1%
|
|
| 1 | Now | 29 |
1.2%
|
| 2 | Later | 40 |
1.7%
|
| 3 | Not at all | 18 |
0.7%
|
| 5 | Missing | 0 |
0%
|
| 7 | Refusal | 0 |
0%
|
| 9 | Not applicable | 2324 |
96.3%
|