| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.3%
|
|
| 1 | Daily or almost daily | 15 |
2.3%
|
| 2 | Weekly | 49 |
7.4%
|
| 3 | Monthly | 66 |
10%
|
| 4 | Less than monthly | 80 |
12.1%
|
| 5 | Never | 450 |
68%
|
| Sysmiss | 1871 |