| Value | Category | Cases | |
|---|---|---|---|
| 1 | Rarely (1-2 times in past 30 days) | 157 |
58.6%
|
| 2 | Sometimes (3-10 times in past 30 days) | 102 |
38.1%
|
| 3 | Often (more than 10 times in past 30 days) | 8 |
3%
|
| 99 | Missing | 1 |
0.4%
|
| Sysmiss | 2012 |