| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -66 | Refuse to answer | 1 |
0.1%
|
| 0 | Never | 118 |
10.6%
|
| 1 | Only once or twice | 523 |
46.9%
|
| 2 | In some months but not every month | 320 |
28.7%
|
| 3 | Almost every month | 154 |
13.8%
|