| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. a very big problem | 121 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             | 
                                                        
                    
| 2 | 2. a big problem | 216 | 
                                                                 
                                    
                                    4.9%
                                 
                                                             | 
                                                        
                    
| 3 | 3. a small problem | 1255 | 
                                                                 
                                    
                                    28.7%
                                 
                                                             | 
                                                        
                    
| 4 | 4. not a problem | 2786 | 
                                                                 
                                    
                                    63.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 160 |