| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1569 |
65.8%
|
| 2 | Just once or twice | 420 |
17.6%
|
| 3 | Several times | 296 |
12.4%
|
| 4 | Many times | 83 |
3.5%
|
| 5 | Always | 18 |
0.8%
|
| 6 | Do not know | 14 |