| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 965 |
40.4%
|
| 1 | Just once or twice | 516 |
21.6%
|
| 2 | Several times | 554 |
23.2%
|
| 3 | Many times | 250 |
10.5%
|
| 4 | Always | 104 |
4.4%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0%
|