| Value | Category | Cases | |
|---|---|---|---|
| 0 | First birth | 5034 | 
                                                                 
                                    
                                    36.2%
                                 
                                                             | 
                                                        
                    
| 1 | <2 years | 2281 | 
                                                                 
                                    
                                    16.4%
                                 
                                                             | 
                                                        
                    
| 2 | 2 years | 2308 | 
                                                                 
                                    
                                    16.6%
                                 
                                                             | 
                                                        
                    
| 3 | 3 years | 1320 | 
                                                                 
                                    
                                    9.5%
                                 
                                                             | 
                                                        
                    
| 4 | 4+ years | 2947 | 
                                                                 
                                    
                                    21.2%
                                 
                                                             |