| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 20 | 
                                
                                9.4%
                             | 
| 2 | Some of it | 30 | 
                                
                                14.2%
                             | 
| 3 | Most of it | 47 | 
                                
                                22.2%
                             | 
| 4 | All of it | 110 | 
                                
                                51.9%
                             | 
| 5 | Missing | 4 | 
                                
                                1.9%
                             | 
| 7 | Refusal | 1 | 
                                
                                0.5%
                             |