| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1704 | 
                                    
                                    76.3%
                                 | |
| Often (every week) | 52 | 
                                    
                                    2.3%
                                 | |
| Rarely (once or twice) | 196 | 
                                    
                                    8.8%
                                 | |
| Sometimes (in some weeks but not every week) | 280 | 
                                    
                                    12.5%
                                 |