| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2902 | 
                                                                 
                                    
                                    87.5%
                                 
                                                             | 
                                                        
                    
| 2 | 7 years old or younger | 97 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    
| 3 | 8 or 9 years old | 88 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    
| 4 | 10 or 11 years old | 84 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    
| 5 | 12 or 13 years old | 78 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    
| 6 | 14 or 15 years old | 47 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| 7 | 16 years old or older | 20 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 142 |