| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1166 |
48.6%
|
| 1 | Just once or twice | 415 |
17.3%
|
| 2 | Several times | 380 |
15.8%
|
| 3 | Many times | 261 |
10.9%
|
| 4 | Always | 172 |
7.2%
|
| 9 | Don't know | 5 |
0.2%
|