| Value | Category | Cases | |
|---|---|---|---|
| 0 | 961 | 
                                    
                                    73%
                                 | |
| 1 | 82 | 
                                    
                                    6.2%
                                 | |
| 2 | 77 | 
                                    
                                    5.8%
                                 | |
| 3 | 56 | 
                                    
                                    4.3%
                                 | |
| 4 | 22 | 
                                    
                                    1.7%
                                 | |
| 5 | 12 | 
                                    
                                    0.9%
                                 | |
| 6 | 2 | 
                                    
                                    0.2%
                                 | |
| 7 | 104 | 
                                    
                                    7.9%
                                 | |
| 9999 | 1 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 1 |