| Value | Category | Cases | |
|---|---|---|---|
| 1 | I smoke daily | 8196 | 
                                    
                                    20.4%
                                 | 
| 2 | I smoke but not every day | 1382 | 
                                    
                                    3.4%
                                 | 
| 3 | I don't smoke now but I used to | 8676 | 
                                    
                                    21.6%
                                 | 
| 4 | I have only smoked a few times | 3926 | 
                                    
                                    9.8%
                                 | 
| 5 | I have never smoked | 17937 | 
                                    
                                    44.7%
                                 | 
| 2147483623 | Refusal | 0 | 
                                    
                                    0%
                                 | 
| 2147483624 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 2147483625 | No answer | 0 | 
                                    
                                    0%
                                 | 
| 11 | .D | 68 |