| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0.less than a year | 32 | 
                            
                             
                                
                                15%
                                                             
                            
                         | 
                        
                    
| 1 | 41 | 
                            
                             
                                
                                19.2%
                                                             
                            
                         | 
                        
                    |
| 2 | 34 | 
                            
                             
                                
                                16%
                                                             
                            
                         | 
                        
                    |
| 3 | 26 | 
                            
                             
                                
                                12.2%
                                                             
                            
                         | 
                        
                    |
| 4 | 11 | 
                            
                             
                                
                                5.2%
                                                             
                            
                         | 
                        
                    |
| 5 | 10 | 
                            
                             
                                
                                4.7%
                                                             
                            
                         | 
                        
                    |
| 6 | 9 | 
                            
                             
                                
                                4.2%
                                                             
                            
                         | 
                        
                    |
| 7 | 9 | 
                            
                             
                                
                                4.2%
                                                             
                            
                         | 
                        
                    |
| 8 | 4 | 
                            
                             
                                
                                1.9%
                                                             
                            
                         | 
                        
                    |
| 9 | 6 | 
                            
                             
                                
                                2.8%
                                                             
                            
                         | 
                        
                    |
| 10 | 5 | 
                            
                             
                                
                                2.3%
                                                             
                            
                         | 
                        
                    |
| 11 | 3 | 
                            
                             
                                
                                1.4%
                                                             
                            
                         | 
                        
                    |
| 12 | 8 | 
                            
                             
                                
                                3.8%
                                                             
                            
                         | 
                        
                    |
| 13 | 2 | 
                            
                             
                                
                                0.9%
                                                             
                            
                         | 
                        
                    |
| 14 | 2 | 
                            
                             
                                
                                0.9%
                                                             
                            
                         | 
                        
                    |
| 15 | 3 | 
                            
                             
                                
                                1.4%
                                                             
                            
                         | 
                        
                    |
| 16 | 2 | 
                            
                             
                                
                                0.9%
                                                             
                            
                         | 
                        
                    |
| 18 | 1 | 
                            
                             
                                
                                0.5%
                                                             
                            
                         | 
                        
                    |
| 20 | 1 | 
                            
                             
                                
                                0.5%
                                                             
                            
                         | 
                        
                    |
| 21 | 2 | 
                            
                             
                                
                                0.9%
                                                             
                            
                         | 
                        
                    |
| 25 | 1 | 
                            
                             
                                
                                0.5%
                                                             
                            
                         | 
                        
                    |
| 28 | 1 | 
                            
                             
                                
                                0.5%
                                                             
                            
                         |