| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 7 |
0.4%
|
| 2 | Weekly | 8 |
0.5%
|
| 3 | Monthly | 8 |
0.5%
|
| 4 | More than monthly | 21 |
1.2%
|
| 5 | Never | 1558 |
88.9%
|
| 98 | Don’t know | 151 |
8.6%
|
| Sysmiss | 821 |