| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 | 
                                
                                0.9%
                             | |
| 1 | 10 | 
                                
                                4.7%
                             | |
| 2 | 9 | 
                                
                                4.2%
                             | |
| 3 | 6 | 
                                
                                2.8%
                             | |
| 4 | 5 | 
                                
                                2.4%
                             | |
| 5 | 1 | 
                                
                                0.5%
                             | |
| 10 | 2 | 
                                
                                0.9%
                             | |
| 20 | 1 | 
                                
                                0.5%
                             | |
| 25 | 1 | 
                                
                                0.5%
                             | |
| 27 | 1 | 
                                
                                0.5%
                             | |
| 39 | 1 | 
                                
                                0.5%
                             | |
| 995 | Missing | 0 | 
                                
                                0%
                             | 
| 996 | Other | 0 | 
                                
                                0%
                             | 
| 997 | Refusal | 0 | 
                                
                                0%
                             | 
| 998 | Dont Know | 1 | 
                                
                                0.5%
                             | 
| 999 | Not Applicable | 172 | 
                                
                                81.1%
                             |