| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11534 | 
                                    
                                    5.3%
                                 | |
| 1 | 5859 | 
                                    
                                    2.7%
                                 | |
| 2 | 5354 | 
                                    
                                    2.5%
                                 | |
| 3 | 2318 | 
                                    
                                    1.1%
                                 | |
| 4 | 1168 | 
                                    
                                    0.5%
                                 | |
| 5 or more | 1345 | 
                                    
                                    0.6%
                                 | |
| NA | 188629 | 
                                    
                                    87.2%
                                 |