| Value | Category | Cases | |
|---|---|---|---|
| 0 | First birth | 2417 | 
                                    
                                    49.5%
                                 | 
| 1 | <2 years | 516 | 
                                    
                                    10.6%
                                 | 
| 2 | 2 years | 626 | 
                                    
                                    12.8%
                                 | 
| 3 | 3 years | 455 | 
                                    
                                    9.3%
                                 | 
| 4 | 4+ years | 873 | 
                                    
                                    17.9%
                                 |