| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 5 |
0.4%
|
| 0 | Never | 629 |
52.6%
|
| 1 | Sometimes | 249 |
20.8%
|
| 2 | Often | 44 |
3.7%
|
| 3 | Always | 115 |
9.6%
|
| 9 | Don't know | 154 |
12.9%
|
| 98 | Refused | 0 |
0%
|