| Value | Category | Cases | |
|---|---|---|---|
| 1 | Now | 3 |
0.1%
|
| 2 | Later | 19 |
0.7%
|
| 3 | Not at all | 4 |
0.1%
|
| 5 | miss | 7 |
0.2%
|
| 7 | Refusal | 0 |
0%
|
| 9 | na | 2771 |
98.8%
|