| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2129 |
79.6%
|
| 2 | I did not smoke during the past 12 months | 247 |
9.2%
|
| 3 | Yes | 237 |
8.9%
|
| 4 | No | 61 |
2.3%
|