| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 514 |
42.8%
|
| 1 | Just once or twice | 212 |
17.7%
|
| 2 | Several times | 279 |
23.3%
|
| 3 | Many times | 165 |
13.8%
|
| 4 | Always | 28 |
2.3%
|
| 9 | Don't Know | 1 |
0.1%
|
| 98 | Refused | 0 |
0%
|