| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 617 |
51.5%
|
| 1 | Just once or twice | 273 |
22.8%
|
| 2 | Several times | 208 |
17.4%
|
| 3 | Many times | 78 |
6.5%
|
| 4 | Always | 10 |
0.8%
|
| 9 | Don’t know | 12 |
1%
|
| 98 | Refused | 0 |
0%
|