| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2873 |
73.3%
|
| 2 | I have never stopped smoking | 322 |
8.2%
|
| 3 | It was very difficult | 66 |
1.7%
|
| 4 | It was rather difficult | 81 |
2.1%
|
| 5 | It was rather easy | 172 |
4.4%
|
| 6 | It was very easy | 407 |
10.4%
|
| Sysmiss | 5 |