| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 741 |
31.9%
|
| 1 | Just once or twice | 452 |
19.4%
|
| 2 | Several times | 630 |
27.1%
|
| 3 | Many times | 317 |
13.6%
|
| 4 | Always | 143 |
6.2%
|
| 9 | Don't Know | 41 |
1.8%
|
| 998 | Refused | 0 |
0%
|