| Value | Category | Cases | |
|---|---|---|---|
| 1 | Non-border | 1067 | 
                                    
                                    16.3%
                                 | 
| 2 | North | 1810 | 
                                    
                                    27.6%
                                 | 
| 3 | South | 2410 | 
                                    
                                    36.7%
                                 | 
| Missing value | 1274 | 
                                    
                                    19.4%
                                 |