| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 905 |
75.4%
|
| 1 | Just once or twice | 74 |
6.2%
|
| 2 | Several times | 98 |
8.2%
|
| 3 | Many times | 71 |
5.9%
|
| 4 | Always | 50 |
4.2%
|
| 9 | Don't Know | 2 |
0.2%
|
| 98 | Refused | 0 |
0%
|