| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3078 | 
                                    
                                    82.3%
                                 | 
| 2 | I did not smoke in the last year | 402 | 
                                    
                                    10.8%
                                 | 
| 3 | Yes | 175 | 
                                    
                                    4.7%
                                 | 
| 4 | No | 83 | 
                                    
                                    2.2%
                                 | 
| Sysmiss | 29 |