| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 848 |
70.7%
|
| 1 | Once or twice | 99 |
8.3%
|
| 2 | Several times | 151 |
12.6%
|
| 3 | Many times | 97 |
8.1%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 5 |
0.4%
|