| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 480 |
40%
|
| 1 | Just once or twice | 171 |
14.3%
|
| 2 | Several times | 239 |
19.9%
|
| 3 | Many times | 152 |
12.7%
|
| 4 | Always | 156 |
13%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 2 |
0.2%
|