| Value | Category | Cases | |
|---|---|---|---|
| -95 | Refused | 0 |
0%
|
| 0 | Never | 2212 |
80.9%
|
| 1 | Once | 251 |
9.2%
|
| 2 | From time to time | 145 |
5.3%
|
| 3 | Often | 62 |
2.3%
|
| r | 65 |
2.4%
|