| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 105 |
8.8%
|
| 1 | Just once or twice | 131 |
10.9%
|
| 2 | Several times | 324 |
27%
|
| 3 | Many times | 481 |
40.1%
|
| 4 | Always | 158 |
13.2%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0.1%
|