| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 36 |
4.3%
|
| 2 | Weekly | 96 |
11.4%
|
| 3 | Monthly | 446 |
52.8%
|
| 4 | Once every 3 months | 82 |
9.7%
|
| 5 | Less often | 184 |
21.8%
|
| 99 | Do not know | 0 |
0%
|
| Sysmiss | 13150 |