| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 515 |
43%
|
| 1 | Just once or twice | 207 |
17.3%
|
| 2 | Several times | 264 |
22%
|
| 3 | Many times | 154 |
12.8%
|
| 4 | Always | 49 |
4.1%
|
| 9 | Don't Know | 9 |
0.8%
|
| 98 | Refused | 0 |
0%
|