| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't know | 0 |
0%
|
| -888 | Refuse to answer | 0 |
0%
|
| -666 | Other (please specify) | 42 |
0.9%
|
| 1 | Weekly | 237 |
5.2%
|
| 2 | Monthly | 746 |
16.2%
|
| 3 | Quarterly | 248 |
5.4%
|
| 4 | Not regular | 3166 |
68.9%
|
| 5 | Daily | 154 |
3.4%
|