| Value | Category | Cases | |
|---|---|---|---|
| -95 | Refused | 0 |
0%
|
| 0 | Never | 2386 |
87.2%
|
| 1 | Once | 191 |
7%
|
| 2 | From time to time | 85 |
3.1%
|
| 3 | Often | 26 |
1%
|
| r | 47 |
1.7%
|