| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 11 |
0.5%
|
| 2 | Weekly | 14 |
0.6%
|
| 3 | Monthly | 14 |
0.6%
|
| 4 | More than monthly | 18 |
0.8%
|
| 5 | Never | 2191 |
95.4%
|
| 98 | Don’t know | 48 |
2.1%
|
| Sysmiss | 475 |