| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1685 |
70.3%
|
| 2 | Just once or twice | 374 |
15.6%
|
| 3 | Several times | 228 |
9.5%
|
| 4 | Many times | 87 |
3.6%
|
| 5 | Always | 22 |
0.9%
|
| 6 | Don't know | 4 |