| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2665 |
75.4%
|
| 2 | I have not stopped smoking | 140 |
4%
|
| 3 | 1-3 months | 323 |
9.1%
|
| 4 | 4-11 months | 75 |
2.1%
|
| 5 | One to two years | 98 |
2.8%
|
| 6 | Two to three years | 55 |
1.6%
|
| 7 | More than three years | 179 |
5.1%
|
| Sysmiss | 13 |