| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.1%
|
| 0 | Never | 1976 |
82.1%
|
| 1 | Less than once a month | 22 |
0.9%
|
| 2 | A few times a month | 32 |
1.3%
|
| 3 | A few times a week | 24 |
1%
|
| 4 | Every day | 34 |
1.4%
|
| 9 | Don't know | 316 |
13.1%
|
| 998 | Refused | 0 |
0%
|