| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, at least once | 1190 |
42.3%
|
| 2 | No, always sufficient | 1621 |
57.6%
|
| 3 | Don't know | 2 |
0.1%
|
| 99 | Refused | 3 |
0.1%
|