| Value | Category | Cases | |
|---|---|---|---|
| -9 | 3560 | 
                                
                                90.1%
                             | |
| 1 | Discharged before delivery | 1 | 
                                
                                0%
                             | 
| 2 | Superstition about voucher | 2 | 
                                
                                0.1%
                             | 
| 3 | Travelled upcountry | 1 | 
                                
                                0%
                             | 
| 99 | Not applicable | 388 | 
                                
                                9.8%
                             |