| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1663 |
69.7%
|
| 2 | Just once or twice | 429 |
18%
|
| 3 | Several times | 216 |
9.1%
|
| 4 | Many times | 65 |
2.7%
|
| 5 | Always | 13 |
0.5%
|
| 6 | Don't know | 14 |