| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 3 |
0.1%
|
| 2 | Weekly | 54 |
2.2%
|
| 3 | Monthly | 387 |
15.8%
|
| 4 | More than monthly | 658 |
26.9%
|
| 5 | Never | 1270 |
51.9%
|
| 98 | Don’t know | 76 |
3.1%
|
| Sysmiss | 647 |