| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 444 |
37%
|
| 1 | Just once or twice | 91 |
7.6%
|
| 2 | Several times | 214 |
17.8%
|
| 3 | Many times | 295 |
24.6%
|
| 4 | Always | 156 |
13%
|
| 9 | Don't Know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|