| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1336 |
55.7%
|
| 1 | Just once or twice | 231 |
9.6%
|
| 2 | Several times | 394 |
16.4%
|
| 3 | Many times | 365 |
15.2%
|
| 4 | Always | 74 |
3.1%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|