| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 645 |
26.9%
|
| 1 | Just once or twice | 373 |
15.5%
|
| 2 | Several times | 711 |
29.6%
|
| 3 | Many times | 481 |
20%
|
| 4 | Always | 172 |
7.2%
|
| 9 | Don't Know | 18 |
0.8%
|
| 998 | Refused | 0 |
0%
|