| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 2 |
0.1%
|
| 2 | Weekly | 19 |
0.8%
|
| 3 | Monthly | 54 |
2.2%
|
| 4 | More than monthly | 137 |
5.5%
|
| 5 | Never | 2136 |
85.4%
|
| 98 | Don’t know | 154 |
6.2%
|
| Sysmiss | 271 |