| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 47056 |
72.3%
|
| 2 | I don't smoke now | 9445 |
14.5%
|
| 3 | Yes | 5481 |
8.4%
|
| 4 | No | 3064 |
4.7%
|
| Sysmiss | 489 |