| Value | Category | Cases | |
|---|---|---|---|
| 0 | 440 | 
                                    
                                    11.3%
                                 | |
| 1 | 428 | 
                                    
                                    11%
                                 | |
| 2 | 270 | 
                                    
                                    7%
                                 | |
| 3 | 299 | 
                                    
                                    7.7%
                                 | |
| 4 | 189 | 
                                    
                                    4.9%
                                 | |
| 5 | 123 | 
                                    
                                    3.2%
                                 | |
| 6 | 191 | 
                                    
                                    4.9%
                                 | |
| 7 | 72 | 
                                    
                                    1.9%
                                 | |
| 8 | 89 | 
                                    
                                    2.3%
                                 | |
| 9 | 97 | 
                                    
                                    2.5%
                                 | |
| 10 | 38 | 
                                    
                                    1%
                                 | |
| 11 | 22 | 
                                    
                                    0.6%
                                 | |
| 12 | 299 | 
                                    
                                    7.7%
                                 | |
| 13 | 19 | 
                                    
                                    0.5%
                                 | |
| 14 | 22 | 
                                    
                                    0.6%
                                 | |
| 15 | 18 | 
                                    
                                    0.5%
                                 | |
| 16 | 14 | 
                                    
                                    0.4%
                                 | |
| 17 | 9 | 
                                    
                                    0.2%
                                 | |
| 18 | 25 | 
                                    
                                    0.6%
                                 | |
| 19 | 5 | 
                                    
                                    0.1%
                                 | |
| 20 | 5 | 
                                    
                                    0.1%
                                 | |
| 21 | 7 | 
                                    
                                    0.2%
                                 | |
| 23 | 1 | 
                                    
                                    0%
                                 | |
| 24 | 40 | 
                                    
                                    1%
                                 | |
| 36 | 2 | 
                                    
                                    0.1%
                                 | |
| 48 | 2 | 
                                    
                                    0.1%
                                 | |
| 96 | period not returned | 1042 | 
                                    
                                    26.8%
                                 | 
| 97 | inconsistent | 0 | 
                                    
                                    0%
                                 | 
| 98 | dk | 113 | 
                                    
                                    2.9%
                                 | 
| Sysmiss | 11065 |