| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 663 |
55.3%
|
| 1 | Just once or twice | 251 |
20.9%
|
| 2 | Several times | 184 |
15.3%
|
| 3 | Many times | 83 |
6.9%
|
| 4 | Always | 18 |
1.5%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0.1%
|