| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | Never | 1351 |
56.3%
|
| 1 | Just once or twice | 408 |
17%
|
| 2 | Several times | 410 |
17.1%
|
| 3 | Many times | 171 |
7.1%
|
| 4 | Always | 36 |
1.5%
|
| 9 | Don't Know | 23 |
1%
|
| 98 | Refused | 0 |
0%
|