| Value | Category | Cases | |
|---|---|---|---|
| 0 | Extremely bad | 1401 | 
                                    
                                    3.5%
                                 | 
| 1 | 1 | 1154 | 
                                    
                                    2.9%
                                 | 
| 2 | 2 | 2211 | 
                                    
                                    5.5%
                                 | 
| 3 | 3 | 3388 | 
                                    
                                    8.5%
                                 | 
| 4 | 4 | 3689 | 
                                    
                                    9.2%
                                 | 
| 5 | 5 | 5572 | 
                                    
                                    14%
                                 | 
| 6 | 6 | 4957 | 
                                    
                                    12.4%
                                 | 
| 7 | 7 | 6862 | 
                                    
                                    17.2%
                                 | 
| 8 | 8 | 6490 | 
                                    
                                    16.3%
                                 | 
| 9 | 9 | 2720 | 
                                    
                                    6.8%
                                 | 
| 10 | Extremely good | 1450 | 
                                    
                                    3.6%
                                 | 
| 2147483623 | Refusal | 0 | 
                                    
                                    0%
                                 | 
| 2147483624 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 2147483625 | No answer | 0 | 
                                    
                                    0%
                                 | 
| 101 | .D | 291 |