| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 12 |
0.5%
|
| 2 | Weekly | 51 |
2.1%
|
| 3 | Monthly | 159 |
6.5%
|
| 4 | More than monthly | 251 |
10.3%
|
| 5 | Never | 1851 |
75.6%
|
| 98 | Don’t know | 124 |
5.1%
|
| Sysmiss | 647 |