| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 10577 |
90.3%
|
| 2 | I have not stopped smoking | 695 |
5.9%
|
| 3 | 1-3 months | 195 |
1.7%
|
| 4 | 4-11 months | 102 |
0.9%
|
| 5 | One year | 47 |
0.4%
|
| 6 | 2 years | 45 |
0.4%
|
| 7 | 3 years or longer | 49 |
0.4%
|
| Sysmiss | 58 |