| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 0 |
0%
|
| 2 | 7 years old or younger | 105 |
6.9%
|
| 3 | 8 or 9 years old | 87 |
5.7%
|
| 4 | 10 or 11 years old | 205 |
13.4%
|
| 5 | 12 or 13 years old | 648 |
42.3%
|
| 6 | 14 or 15 years old | 457 |
29.8%
|
| 7 | 16 years old or older | 29 |
1.9%
|
| Sysmiss | 2543 |