| Value | Category | Cases | |
|---|---|---|---|
| 0 | no risk at all | 2844 | 
                                    
                                    19.4%
                                 | 
| 1 | small | 4290 | 
                                    
                                    29.3%
                                 | 
| 2 | moderate | 1131 | 
                                    
                                    7.7%
                                 | 
| 3 | great | 2452 | 
                                    
                                    16.7%
                                 | 
| 8 | don't know | 3949 | 
                                    
                                    26.9%
                                 | 
| Sysmiss | 280 |