| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 802 |
40%
|
| 2 | Just once or twice | 325 |
16.2%
|
| 3 | Several times | 409 |
20.4%
|
| 4 | Many times | 284 |
14.2%
|
| 5 | Always | 156 |
7.8%
|
| 998 | Refused | 7 |
0.3%
|
| 999 | Do not know | 23 |
1.1%
|