| Value | Category | Cases | |
|---|---|---|---|
| 0 | 977 | 
                                    
                                    84.3%
                                 | |
| 1 | 89 | 
                                    
                                    7.7%
                                 | |
| 2 | 49 | 
                                    
                                    4.2%
                                 | |
| 3 | 18 | 
                                    
                                    1.6%
                                 | |
| 4 | 9 | 
                                    
                                    0.8%
                                 | |
| 5 | 6 | 
                                    
                                    0.5%
                                 | |
| 6 | 1 | 
                                    
                                    0.1%
                                 | |
| 7 | 10 | 
                                    
                                    0.9%
                                 | |
| Sysmiss | 2 |