| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes - often (more than ten times in the last 30 days) | 38 |
2.5%
|
| 2 | Yes - sometimes (three to ten times in the last 30 days) | 63 |
4.2%
|
| 3 | Yes - seldom (once or twice in the last 30 days) | 173 |
11.5%
|
| 4 | No | 1226 |
81.7%
|