| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1191 |
49.6%
|
| 1 | Just once or twice | 364 |
15.2%
|
| 2 | Several times | 401 |
16.7%
|
| 3 | Many times | 262 |
10.9%
|
| 4 | Always | 180 |
7.5%
|
| 8 | Refused | 1 |
0%
|
| 9 | Don't know | 1 |
0%
|