| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 850 |
70.8%
|
| 1 | Just once or twice | 186 |
15.5%
|
| 2 | Several times | 99 |
8.3%
|
| 3 | Many times | 36 |
3%
|
| 4 | Always | 24 |
2%
|
| 9 | Don’t know | 5 |
0.4%
|
| 98 | Refused | 0 |
0%
|