| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 5717 |
91.3%
|
| 2 | I have not stopped smoking | 193 |
3.1%
|
| 3 | It was very difficult | 101 |
1.6%
|
| 4 | It was rather difficult | 61 |
1%
|
| 5 | It was rather easy | 55 |
0.9%
|
| 6 | It was very easy | 136 |
2.2%
|
| Sysmiss | 133 |