| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | Never | 1681 |
70%
|
| 1 | Just once or twice | 492 |
20.5%
|
| 2 | Several times | 142 |
5.9%
|
| 3 | Many times | 65 |
2.7%
|
| 4 | Always | 17 |
0.7%
|
| 9 | Don't Know | 2 |
0.1%
|
| 98 | Refused | 0 |
0%
|