| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 7573 | 
                                    
                                    19.1%
                                 | 
| 1 | 1 | 3583 | 
                                    
                                    9.1%
                                 | 
| 2 | 2 | 5370 | 
                                    
                                    13.6%
                                 | 
| 3 | 3 | 5708 | 
                                    
                                    14.4%
                                 | 
| 4 | 4 | 4340 | 
                                    
                                    11%
                                 | 
| 5 | 5 | 5061 | 
                                    
                                    12.8%
                                 | 
| 6 | 6 | 3386 | 
                                    
                                    8.6%
                                 | 
| 7 | 7 | 2628 | 
                                    
                                    6.6%
                                 | 
| 8 | 8 | 1363 | 
                                    
                                    3.4%
                                 | 
| 9 | 9 | 337 | 
                                    
                                    0.9%
                                 | 
| 10 | Completely | 208 | 
                                    
                                    0.5%
                                 | 
| 2147483623 | Refusal | 0 | 
                                    
                                    0%
                                 | 
| 2147483624 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 2147483625 | No answer | 0 | 
                                    
                                    0%
                                 | 
| 101 | .D | 628 |