| Value | Category | Cases | |
|---|---|---|---|
| 1 | One day | 228 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    
| 2 | One week | 3059 | 
                                                                 
                                    
                                    24.5%
                                 
                                                             | 
                                                        
                    
| 3 | One month | 3328 | 
                                                                 
                                    
                                    26.7%
                                 
                                                             | 
                                                        
                    
| 4 | Between one month and one year | 1473 | 
                                                                 
                                    
                                    11.8%
                                 
                                                             | 
                                                        
                    
| 5 | One year | 808 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    
| 6 | Longer than one year | 880 | 
                                                                 
                                    
                                    7.1%
                                 
                                                             | 
                                                        
                    
| 7 | Don?t know (Do not read) | 2704 | 
                                                                 
                                    
                                    21.7%
                                 
                                                             |