| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1601 |
83%
|
| 2 | I have not stopped smoking | 52 |
2.7%
|
| 3 | 1-3 months | 102 |
5.3%
|
| 4 | 4-11 months | 45 |
2.3%
|
| 5 | One year | 41 |
2.1%
|
| 6 | 2 years | 24 |
1.2%
|
| 7 | 3 years | 64 |
3.3%
|
| Sysmiss | 17 |