| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 9 |
0.5%
|
| 2 | Weekly | 22 |
1.3%
|
| 3 | Monthly | 31 |
1.8%
|
| 4 | More than monthly | 58 |
3.3%
|
| 5 | Never | 1466 |
83.6%
|
| 98 | Don’t know | 167 |
9.5%
|
| Sysmiss | 821 |