| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 15633 |
56.8%
|
| 2 | 7 years old or younger | 822 |
3%
|
| 3 | 8 or 9 years old | 943 |
3.4%
|
| 4 | 10 or 11 years old | 2177 |
7.9%
|
| 5 | 12 or 13 years old | 4301 |
15.6%
|
| 6 | 14 or 15 years old | 3190 |
11.6%
|
| 7 | 16 years old or older | 476 |
1.7%
|
| Sysmiss | 826 |