| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 107 |
8.9%
|
| 1 | Just once or twice | 101 |
8.4%
|
| 2 | Several times | 151 |
12.6%
|
| 3 | Many times | 358 |
29.8%
|
| 4 | Always | 481 |
40.1%
|
| 9 | Don't Know | 2 |
0.2%
|
| 98 | Refused | 0 |
0%
|