| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2763 |
77.9%
|
| 2 | 7 years old or younger | 32 |
0.9%
|
| 3 | 8 or 9 years old | 33 |
0.9%
|
| 4 | 10 or 11 years old | 49 |
1.4%
|
| 5 | 12 or 13 years old | 109 |
3.1%
|
| 6 | 14 or 15 years old | 234 |
6.6%
|
| 7 | 16 years old or older | 326 |
9.2%
|
| Sysmiss | 151 |