| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 361 |
28.7%
|
| 1 | Rarely | 139 |
11.1%
|
| 2 | Often | 81 |
6.4%
|
| 3 | Always | 52 |
4.1%
|
| 9 | Don't know | 623 |
49.6%
|
| 998 | Refused | 0 |
0%
|