| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 1917 |
90%
|
| 2 | I didn't stop smoking. | 62 |
2.9%
|
| 3 | It was very difficult. | 34 |
1.6%
|
| 4 | It was rather difficult. | 25 |
1.2%
|
| 5 | It was rather easy. | 24 |
1.1%
|
| 6 | It was very easy. | 67 |
3.1%
|
| Sysmiss | 4 |