| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 8881 |
77.2%
|
| 2 | 7 years old or younger | 470 |
4.1%
|
| 3 | 8 or 9 years old | 387 |
3.4%
|
| 4 | 10 or 11 years old | 458 |
4%
|
| 5 | 12 or 13 years old | 642 |
5.6%
|
| 6 | 14 or 15 years old | 611 |
5.3%
|
| 7 | 16 years old or older | 54 |
0.5%
|
| Sysmiss | 269 |