| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2873 | 
                                    
                                    87.8%
                                 | 
| 2 | I don't smoke now | 97 | 
                                    
                                    3%
                                 | 
| 3 | Yes | 59 | 
                                    
                                    1.8%
                                 | 
| 4 | No | 243 | 
                                    
                                    7.4%
                                 | 
| Sysmiss | 41 |