| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 770 |
64.2%
|
| 1 | Just once or twice | 116 |
9.7%
|
| 2 | Several times | 140 |
11.7%
|
| 3 | Many times | 92 |
7.7%
|
| 4 | Always | 80 |
6.7%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 2 |
0.2%
|