| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 27 | 
                                    
                                    9.4%
                                 | 
| 2 | 1 to 2 | 74 | 
                                    
                                    25.9%
                                 | 
| 3 | 3 to 6 | 105 | 
                                    
                                    36.7%
                                 | 
| 4 | 7 to 14 | 53 | 
                                    
                                    18.5%
                                 | 
| 5 | 15 or more | 27 | 
                                    
                                    9.4%
                                 | 
| Sysmiss | 90 |