| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1357 |
56.6%
|
| 1 | Just once or twice | 330 |
13.8%
|
| 2 | Several times | 409 |
17.1%
|
| 3 | Many times | 197 |
8.2%
|
| 4 | Always | 104 |
4.3%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|