| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 649 |
54.1%
|
| 1 | Just once or twice | 104 |
8.7%
|
| 2 | Several times | 286 |
23.8%
|
| 3 | Many times | 139 |
11.6%
|
| 4 | Always | 22 |
1.8%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|