| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 3 |
0.1%
|
| 2 | Weekly | 9 |
0.4%
|
| 3 | Monthly | 99 |
4.3%
|
| 4 | More than monthly | 370 |
16.1%
|
| 5 | Never | 1737 |
75.7%
|
| 98 | Don’t know | 78 |
3.4%
|
| Sysmiss | 475 |