| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1111 |
45.7%
|
| 1 | Just once or twice | 562 |
23.1%
|
| 2 | Several times | 444 |
18.3%
|
| 3 | Many times | 206 |
8.5%
|
| 4 | Always | 104 |
4.3%
|
| 9 | Don't Know | 4 |
0.2%
|
| 998 | Refused | 0 |
0%
|