| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 841 |
70.1%
|
| 1 | Just once or twice | 150 |
12.5%
|
| 2 | Several times | 135 |
11.3%
|
| 3 | Many times | 64 |
5.3%
|
| 4 | Always | 10 |
0.8%
|
| 9 | Don't Know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|