| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 month | 12 | 
                                    
                                    1%
                                 | 
| 2 | 2 months | 10 | 
                                    
                                    0.8%
                                 | 
| 3 | 3 months | 8 | 
                                    
                                    0.7%
                                 | 
| 4 | 4 months | 7 | 
                                    
                                    0.6%
                                 | 
| 5 | 5 months | 4 | 
                                    
                                    0.3%
                                 | 
| 6 | 6 months | 10 | 
                                    
                                    0.8%
                                 | 
| 7 | 7 months | 5 | 
                                    
                                    0.4%
                                 | 
| 8 | 8 months | 5 | 
                                    
                                    0.4%
                                 | 
| 9 | 9 months | 4 | 
                                    
                                    0.3%
                                 | 
| 10 | 10 months | 9 | 
                                    
                                    0.8%
                                 | 
| 11 | 11 months | 3 | 
                                    
                                    0.3%
                                 | 
| 12 | 12 months | 135 | 
                                    
                                    11.3%
                                 | 
| 13 | Don't know | 42 | 
                                    
                                    3.5%
                                 | 
| 97 | Not Applicable | 659 | 
                                    
                                    54.9%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 99 | Missing | 287 | 
                                    
                                    23.9%
                                 |