| Value | Category | Cases | |
|---|---|---|---|
| 0 | 330 | 
                                    
                                    6.1%
                                 | |
| 1 | 385 | 
                                    
                                    7.1%
                                 | |
| 2 | 507 | 
                                    
                                    9.3%
                                 | |
| 3 | 650 | 
                                    
                                    12%
                                 | |
| 4 | 284 | 
                                    
                                    5.2%
                                 | |
| 5 | 423 | 
                                    
                                    7.8%
                                 | |
| 6 | 148 | 
                                    
                                    2.7%
                                 | |
| 7 | 714 | 
                                    
                                    13.1%
                                 | |
| 8 | 49 | 
                                    
                                    0.9%
                                 | |
| 9 | 19 | 
                                    
                                    0.3%
                                 | |
| 10 | 147 | 
                                    
                                    2.7%
                                 | |
| 11 | 2 | 
                                    
                                    0%
                                 | |
| 12 | 16 | 
                                    
                                    0.3%
                                 | |
| 13 | 8 | 
                                    
                                    0.1%
                                 | |
| 14 | 281 | 
                                    
                                    5.2%
                                 | |
| 15 | 90 | 
                                    
                                    1.7%
                                 | |
| 16 | 2 | 
                                    
                                    0%
                                 | |
| 17 | 4 | 
                                    
                                    0.1%
                                 | |
| 18 | 1 | 
                                    
                                    0%
                                 | |
| 19 | 1 | 
                                    
                                    0%
                                 | |
| 20 | 18 | 
                                    
                                    0.3%
                                 | |
| 21 | 71 | 
                                    
                                    1.3%
                                 | |
| 22 | 1 | 
                                    
                                    0%
                                 | |
| 25 | 5 | 
                                    
                                    0.1%
                                 | |
| 28 | 8 | 
                                    
                                    0.1%
                                 | |
| 30 | 4 | 
                                    
                                    0.1%
                                 | |
| 31 | 31+ days | 1257 | 
                                    
                                    23.1%
                                 | 
| 95 | within last 4 weeks | 0 | 
                                    
                                    0%
                                 | 
| 96 | before last birth | 0 | 
                                    
                                    0%
                                 | 
| 97 | inconsistent | 0 | 
                                    
                                    0%
                                 | 
| 98 | don't know | 0 | 
                                    
                                    0%
                                 | 
| 99 | 10 | 
                                    
                                    0.2%
                                 | |
| 101 | .Z | 2804 |