| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes - often (more than ten times in the last 30 days) | 7 | 
                                    
                                    0.5%
                                 | 
| 2 | Yes - sometimes (three to ten times in the last 30 days) | 39 | 
                                    
                                    2.6%
                                 | 
| 3 | Yes - seldom (once or twice in the last 30 days) | 11 | 
                                    
                                    0.7%
                                 | 
| 4 | No | 1443 | 
                                    
                                    96.2%
                                 |