| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 53185 | 
                                    
                                    67.6%
                                 | 
| 2 | often | 20904 | 
                                    
                                    26.6%
                                 | 
| 3 | occationally | 4253 | 
                                    
                                    5.4%
                                 | 
| 4 | always | 293 | 
                                    
                                    0.4%
                                 |