| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 | 
                                
                                9.4%
                             | |
| 1 | 9 | 
                                
                                4.2%
                             | |
| 2 | 5 | 
                                
                                2.4%
                             | |
| 3 | 5 | 
                                
                                2.4%
                             | |
| 4 | 2 | 
                                
                                0.9%
                             | |
| 8 | 1 | 
                                
                                0.5%
                             | |
| 10 | 1 | 
                                
                                0.5%
                             | |
| 15 | 1 | 
                                
                                0.5%
                             | |
| 20 | 1 | 
                                
                                0.5%
                             | |
| 23 | 1 | 
                                
                                0.5%
                             | |
| 30 | 1 | 
                                
                                0.5%
                             | |
| 46 | 1 | 
                                
                                0.5%
                             | |
| 101 | 1 | 
                                
                                0.5%
                             | |
| 995 | Missing | 0 | 
                                
                                0%
                             | 
| 996 | Other | 0 | 
                                
                                0%
                             | 
| 997 | Refusal | 0 | 
                                
                                0%
                             | 
| 998 | Dont Know | 2 | 
                                
                                0.9%
                             | 
| 999 | Not Applicable | 161 | 
                                
                                75.9%
                             |