| Value | Category | Cases | |
|---|---|---|---|
| 0 | 24 | 
                                    
                                    2.2%
                                 | |
| 1 | 52 | 
                                    
                                    4.7%
                                 | |
| 2 | 59 | 
                                    
                                    5.3%
                                 | |
| 3 | 144 | 
                                    
                                    12.9%
                                 | |
| 4 | 151 | 
                                    
                                    13.5%
                                 | |
| 5 | 313 | 
                                    
                                    28%
                                 | |
| 6 | 112 | 
                                    
                                    10%
                                 | |
| 7 | 109 | 
                                    
                                    9.8%
                                 | |
| 8 | 92 | 
                                    
                                    8.2%
                                 | |
| 9 | 29 | 
                                    
                                    2.6%
                                 | |
| 10 | 31 | 
                                    
                                    2.8%
                                 | |
| Sysmiss | 350 |