| Value | Category | Cases | |
|---|---|---|---|
| -95 | Refused | 0 |
0%
|
| 0 | Never | 2570 |
94%
|
| 1 | Once | 74 |
2.7%
|
| 2 | From time to time | 22 |
0.8%
|
| 3 | Often | 15 |
0.5%
|
| r | 54 |
2%
|