| Value | Category | Cases | |
|---|---|---|---|
| 1 | medium | 87 | 
                                                                 
                                    
                                    48.1%
                                 
                                                             | 
                                                        
                    
| 2 | low | 33 | 
                                                                 
                                    
                                    18.2%
                                 
                                                             | 
                                                        
                    
| 3 | high | 55 | 
                                                                 
                                    
                                    30.4%
                                 
                                                             | 
                                                        
                    
| 4 | no pressure | 6 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 146 |