| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.4%
|
|
| 1 | Daily or almost daily | 13 |
5.3%
|
| 2 | Weekly | 43 |
17.7%
|
| 3 | Monthly | 31 |
12.8%
|
| 4 | Less than monthly | 44 |
18.1%
|
| 5 | Never | 111 |
45.7%
|
| Sysmiss | 912 |