| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1130 |
47.1%
|
| 1 | Rarely | 607 |
25.3%
|
| 2 | Often | 437 |
18.2%
|
| 3 | Always | 90 |
3.8%
|
| 9 | Don't know | 136 |
5.7%
|
| 998 | Refused | 0 |
0%
|