| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -66 | Refuse to answer | 0 |
0%
|
| 0 | Never | 3 |
0.3%
|
| 1 | Only once or twice | 490 |
51.5%
|
| 2 | In some months but not every month | 293 |
30.8%
|
| 3 | Almost every month | 166 |
17.4%
|
| Sysmiss | 164 |