| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't know | 0 |
0%
|
| -888 | Refuse to answer | 0 |
0%
|
| -666 | Other (please specify) | 1 |
3.3%
|
| 1 | Daily | 9 |
30%
|
| 2 | Weekly | 1 |
3.3%
|
| 3 | Monthly | 11 |
36.7%
|
| 4 | Quarterly | 1 |
3.3%
|
| 5 | Not regular | 7 |
23.3%
|
| Sysmiss | 18976 |