| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes - often (more than ten times in the last 30 days) | 21 |
1.4%
|
| 2 | Yes - sometimes (three to ten times in the last 30 days) | 72 |
4.8%
|
| 3 | Yes - seldom (once or twice in the last 30 days) | 163 |
10.9%
|
| 4 | No | 1244 |
82.9%
|