| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke cigarettes during the past 30 days (one month) | 1856 | 
                                                                 
                                    
                                    92.7%
                                 
                                                             | 
                                                        
                    
| 2 | Less than 1 cigarette per day | 48 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    
| 3 | 1 cigarette per day | 27 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    
| 4 | 2 to 5 cigarettes per day | 46 | 
                                                                 
                                    
                                    2.3%
                                 
                                                             | 
                                                        
                    
| 5 | 6 to 10 cigarettes per day | 16 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    
| 6 | 11 to 20 cigarettes per day | 4 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 7 | More than 20 cigarettes per day | 6 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 68 |