| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 465 |
38.8%
|
| 1 | Just once or twice | 244 |
20.4%
|
| 2 | Several times | 221 |
18.4%
|
| 3 | Many times | 143 |
11.9%
|
| 4 | Always | 116 |
9.7%
|
| 9 | Don't Know | 9 |
0.8%
|
| 98 | Refused | 0 |
0%
|