| Value | Category | Cases | |
|---|---|---|---|
| 1 | 30 | 
                                
                                6.8%
                             | |
| 2 | 15 | 
                                
                                3.4%
                             | |
| 3 | 2 | 
                                
                                0.5%
                             | |
| 4 | 3 | 
                                
                                0.7%
                             | |
| 5 | 6 | 
                                
                                1.4%
                             | |
| 7 | 1 | 
                                
                                0.2%
                             | |
| 8 | 1 | 
                                
                                0.2%
                             | |
| 10 | 1 | 
                                
                                0.2%
                             | |
| 12 | 1 | 
                                
                                0.2%
                             | |
| 14 | 2 | 
                                
                                0.5%
                             | |
| 16 | 1 | 
                                
                                0.2%
                             | |
| 20 | 1 | 
                                
                                0.2%
                             | |
| 21 | 3 | 
                                
                                0.7%
                             | |
| 30 | 2 | 
                                
                                0.5%
                             | |
| 35 | 1 | 
                                
                                0.2%
                             | |
| 42 | 1 | 
                                
                                0.2%
                             | |
| 80 | 1 | 
                                
                                0.2%
                             | |
| 90 | 1 | 
                                
                                0.2%
                             | |
| 180 | 1 | 
                                
                                0.2%
                             | |
| 995 | Missing | 7 | 
                                
                                1.6%
                             | 
| 996 | Other | 0 | 
                                
                                0%
                             | 
| 997 | refusal | 0 | 
                                
                                0%
                             | 
| 998 | DK | 0 | 
                                
                                0%
                             | 
| 999 | NA | 362 | 
                                
                                81.7%
                             |