| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not nasvay during the past 30 days (one month) | 2089 |
98%
|
| 2 | Less than once a week | 11 |
0.5%
|
| 3 | At least once a week but not every day | 20 |
0.9%
|
| 4 | Every day | 11 |
0.5%
|
| Sysmiss | 2 |