| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1275 |
71.8%
|
| 2 | 7 years old or younger | 34 |
1.9%
|
| 3 | 8 or 9 years old | 24 |
1.4%
|
| 4 | 10 or 11 years old | 54 |
3%
|
| 5 | 12 or 13 years old | 195 |
11%
|
| 6 | 14 or 15 years old | 168 |
9.5%
|
| 7 | 16 years old or older | 26 |
1.5%
|
| Sysmiss | 27 |