| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes - often (more than ten times in the last 30 days) | 2 |
0.1%
|
| 2 | Yes - sometimes (three to ten times in the last 30 days) | 14 |
0.9%
|
| 3 | Yes - seldom (once or twice in the last 30 days) | 165 |
11%
|
| 4 | No | 1319 |
87.9%
|