| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1194 |
59.5%
|
| 2 | Just once or twice | 369 |
18.4%
|
| 3 | Several times | 256 |
12.8%
|
| 4 | Many times | 137 |
6.8%
|
| 5 | Always | 35 |
1.7%
|
| 998 | Refused | 8 |
0.4%
|
| 999 | Do not know | 7 |
0.3%
|