| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1938 |
97%
|
| 2 | I have not stopped smoking | 25 |
1.3%
|
| 3 | Less than 4 months | 15 |
0.8%
|
| 4 | 4-11 months | 8 |
0.4%
|
| 5 | One year | 3 |
0.2%
|
| 6 | 2 years | 0 |
0%
|
| 7 | 3 years or longer | 9 |
0.5%
|
| Sysmiss | 16 |