| Value | Category | Cases | |
|---|---|---|---|
| 1 | january | 48 | 
                                    
                                    0.3%
                                 | 
| 2 | february | 52 | 
                                    
                                    0.3%
                                 | 
| 3 | march | 61 | 
                                    
                                    0.4%
                                 | 
| 4 | april | 60 | 
                                    
                                    0.4%
                                 | 
| 5 | may | 60 | 
                                    
                                    0.4%
                                 | 
| 6 | june | 65 | 
                                    
                                    0.4%
                                 | 
| 7 | july | 81 | 
                                    
                                    0.5%
                                 | 
| 8 | august | 92 | 
                                    
                                    0.6%
                                 | 
| 9 | september | 97 | 
                                    
                                    0.6%
                                 | 
| 10 | october | 77 | 
                                    
                                    0.5%
                                 | 
| 11 | november | 46 | 
                                    
                                    0.3%
                                 | 
| 12 | december | 53 | 
                                    
                                    0.3%
                                 | 
| -8 | other error | 0 | 
                                    
                                    0%
                                 | 
| -7 | filter error | 0 | 
                                    
                                    0%
                                 | 
| -4 | chronic problem | 178 | 
                                    
                                    1.1%
                                 | 
| -3 | inapplicable | 15347 | 
                                    
                                    93.9%
                                 | 
| -2 | no answer | 6 | 
                                    
                                    0%
                                 | 
| -1 | does not know | 21 | 
                                    
                                    0.1%
                                 |