| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.1%
|
| 0 | Never | 1574 |
66%
|
| 1 | Just once or twice | 375 |
15.7%
|
| 2 | Several times | 286 |
12%
|
| 3 | Many times | 146 |
6.1%
|
| 4 | Always | 3 |
0.1%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|