| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1074 |
44.8%
|
| 1 | Just once or twice | 353 |
14.7%
|
| 2 | Several times | 388 |
16.2%
|
| 3 | Many times | 334 |
13.9%
|
| 4 | Always | 250 |
10.4%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0%
|