| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 78273 |
65.5%
|
| 2 | 7 years old or younger | 4801 |
4%
|
| 3 | 8 or 9 years old | 4622 |
3.9%
|
| 4 | 10 or 11 years old | 6079 |
5.1%
|
| 5 | 12 or 13 years old | 10305 |
8.6%
|
| 6 | 14 or 15 years old | 12659 |
10.6%
|
| 7 | 16 years old or older | 2762 |
2.3%
|
| Sysmiss | 2539 |