| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 0 | 
                                
                                0%
                             | 
| 1 | One | 417 | 
                                
                                94.1%
                             | 
| 2 | Two | 17 | 
                                
                                3.8%
                             | 
| 3 | Three | 3 | 
                                
                                0.7%
                             | 
| 4 | More than three | 3 | 
                                
                                0.7%
                             | 
| 95 | Missing | 3 | 
                                
                                0.7%
                             | 
| 96 | Other | 0 | 
                                
                                0%
                             | 
| 97 | Refusal | 0 | 
                                
                                0%
                             | 
| 98 | DK | 0 | 
                                
                                0%
                             | 
| 99 | NA | 0 | 
                                
                                0%
                             |