| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 40 |
3.8%
|
| 1 | Rarely | 80 |
7.6%
|
| 2 | Often | 240 |
22.9%
|
| 3 | Always | 677 |
64.6%
|
| 9 | Don't know | 11 |
1%
|