| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes - often (more than ten times in the last 30 days) | 39 |
2.6%
|
| 2 | Yes - sometimes (three to ten times in the last 30 days) | 158 |
10.5%
|
| 3 | Yes - seldom (once or twice in the last 30 days) | 32 |
2.1%
|
| 4 | No | 1271 |
84.7%
|