| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 11 |
0.4%
|
| 2 | Weekly | 21 |
0.8%
|
| 3 | Monthly | 23 |
0.8%
|
| 4 | More than monthly | 13 |
0.5%
|
| 5 | Never | 2571 |
93.5%
|
| 98 | Don’t know | 112 |
4.1%
|
| Sysmiss | 198 |