| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1120 |
74%
|
| 2 | I have never smoked | 75 |
5%
|
| 3 | It was very difficult | 26 |
1.7%
|
| 4 | It was rather difficult | 12 |
0.8%
|
| 5 | It was rather easy | 62 |
4.1%
|
| 6 | It was very easy | 219 |
14.5%
|
| Sysmiss | 5 |