| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1905 |
90.1%
|
| 1 | Rarely (once or twice in the past 30 days) | 60 |
2.8%
|
| 2 | Sometimes (three to ten times in the past 30 days) | 109 |
5.2%
|
| 3 | Often (more than ten times in the past 30 days) | 38 |
1.8%
|
| 4 | Always (every day) | 2 |
0.1%
|