| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 0 | Never | 419 |
35%
|
| 1 | Rarely | 246 |
20.6%
|
| 2 | Often | 263 |
22%
|
| 3 | Always | 141 |
11.8%
|
| 9 | Don't know | 126 |
10.5%
|
| 998 | Refused | 0 |
0%
|