| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2472 |
87.1%
|
| 2 | 7 years old or younger | 62 |
2.2%
|
| 3 | 8 or 9 years old | 51 |
1.8%
|
| 4 | 10 or 11 years old | 57 |
2%
|
| 5 | 12 or 13 years old | 86 |
3%
|
| 6 | 14 years old or older | 110 |
3.9%
|
| Sysmiss | 588 |