| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 21 |
0.7%
|
| 2 | Weekly | 167 |
5.3%
|
| 3 | Monthly | 1324 |
41.8%
|
| 4 | Once every 3 months | 634 |
20%
|
| 5 | Less often | 1012 |
31.9%
|
| 99 | Do not know | 13 |
0.4%
|
| Sysmiss | 10823 |