| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 7627 |
67.1%
|
| 2 | 7 years old or younger | 842 |
7.4%
|
| 3 | 8 or 9 years old | 490 |
4.3%
|
| 4 | 10 or 11 years old | 659 |
5.8%
|
| 5 | 12 or 13 years old | 1067 |
9.4%
|
| 6 | 14 or 15 years old | 666 |
5.9%
|
| 7 | 16 years old or older | 15 |
0.1%
|
| Sysmiss | 170 |