| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1725 |
71.9%
|
| 2 | Just once or twice | 381 |
15.9%
|
| 3 | Several times | 219 |
9.1%
|
| 4 | Many times | 61 |
2.5%
|
| 5 | Always | 12 |
0.5%
|
| 6 | Don't know | 2 |