| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1174 | 
                                    
                                    86.8%
                                 | |
| 1 | 105 | 
                                    
                                    7.8%
                                 | |
| 2 | 31 | 
                                    
                                    2.3%
                                 | |
| 3 | 18 | 
                                    
                                    1.3%
                                 | |
| 4 | 7 | 
                                    
                                    0.5%
                                 | |
| 5 | 8 | 
                                    
                                    0.6%
                                 | |
| 6 | 3 | 
                                    
                                    0.2%
                                 | |
| 7 | 2 | 
                                    
                                    0.1%
                                 | |
| 10 | 2 | 
                                    
                                    0.1%
                                 | |
| 12 | 1 | 
                                    
                                    0.1%
                                 | |
| 20 | 1 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 148 |