| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.1%
|
| 0 | Never | 1312 |
54.7%
|
| 1 | Just once or twice | 361 |
15%
|
| 2 | Several times | 440 |
18.3%
|
| 3 | Many times | 203 |
8.5%
|
| 4 | Always | 54 |
2.3%
|
| 9 | Don't Know | 27 |
1.1%
|
| 98 | Refused | 0 |
0%
|