| Value | Category | Cases | |
|---|---|---|---|
| Do not know | 3 | 
                                    
                                    0.1%
                                 | |
| No - because it was not necessary | 2164 | 
                                    
                                    74.9%
                                 | |
| Not applicable | 459 | 
                                    
                                    15.9%
                                 | |
| Yes | 265 | 
                                    
                                    9.2%
                                 |