| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 202 | 
                                
                                4.7%
                             | 
| 1 | Yes | 441 | 
                                
                                10.2%
                             | 
| 3 | 386 | 
                                
                                8.9%
                             | |
| 8 | Don't know | 9 | 
                                
                                0.2%
                             | 
| 9 | Not yet 9 months | 138 | 
                                
                                3.2%
                             | 
| 99 | Not applicable | 3164 | 
                                
                                72.9%
                             |