| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.3%
|
|
| 1 | Daily or almost daily | 20 |
3%
|
| 2 | Weekly | 47 |
7.1%
|
| 3 | Monthly | 54 |
8.2%
|
| 4 | Less than monthly | 93 |
14%
|
| 5 | Never | 446 |
67.4%
|
| Sysmiss | 1871 |