| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 5456 |
96.5%
|
| 2 | I have not stopped smoking | 41 |
0.7%
|
| 3 | It was very difficult | 14 |
0.2%
|
| 4 | It was rather difficult | 10 |
0.2%
|
| 5 | It was rather easy | 39 |
0.7%
|
| 6 | It was very easy | 96 |
1.7%
|
| Sysmiss | 7 |