| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked in my life | 4598 |
92.7%
|
| 2 | I have not stopped smoking | 87 |
1.8%
|
| 3 | 1 to 3 months ago | 91 |
1.8%
|
| 4 | 4 to 11 months ago | 33 |
0.7%
|
| 5 | One year ago | 50 |
1%
|
| 6 | 2 years ago | 38 |
0.8%
|
| 7 | 3 years or more ago | 65 |
1.3%
|
| Sysmiss | 1 |