| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 590 |
49.2%
|
| 1 | Just once or twice | 137 |
11.4%
|
| 2 | Several times | 213 |
17.8%
|
| 3 | Many times | 133 |
11.1%
|
| 4 | Always | 125 |
10.4%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't Know | 1 |
0.1%
|