| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | Never | 1248 |
52%
|
| 1 | Just once or twice | 472 |
19.7%
|
| 2 | Several times | 417 |
17.4%
|
| 3 | Many times | 205 |
8.5%
|
| 4 | Always | 57 |
2.4%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|