| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 7 |
0.3%
|
| 0 | Never | 784 |
32.7%
|
| 1 | Just once or twice | 774 |
32.3%
|
| 2 | Many times | 685 |
28.6%
|
| 3 | Always | 137 |
5.7%
|
| 9 | Don't Know | 11 |
0.5%
|
| 98 | Refused | 0 |
0%
|