| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 15 |
1.1%
|
| 2 | Weekly | 29 |
2.2%
|
| 3 | Monthly | 12 |
0.9%
|
| 4 | Less than monthly | 32 |
2.4%
|
| 5 | Never | 1224 |
93.3%
|
| Sysmiss | 1051 |