| Value | Category | Cases | |
|---|---|---|---|
| 0 | Within one km | 197 | 
                                    
                                    93.8%
                                 | 
| 1 | 2 | 
                                    
                                    1%
                                 | |
| 2 | 9 | 
                                    
                                    4.3%
                                 | |
| 3 | 2 | 
                                    
                                    1%
                                 | |
| 90 | No service | 0 | 
                                    
                                    0%
                                 |