| Value | Category | Cases | |
|---|---|---|---|
| 1 | All the families | 56 | 
                                
                                29.9%
                             | 
| 2 | Three quarters of the families | 58 | 
                                
                                31%
                             | 
| 3 | About half of the families | 36 | 
                                
                                19.3%
                             | 
| 4 | About a quarter of the families | 32 | 
                                
                                17.1%
                             | 
| 5 | None of the families | 5 | 
                                
                                2.7%
                             | 
| 96 | Other | 0 | 
                                
                                0%
                             |