| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4845 |
74.9%
|
| 2 | 7 years old or younger | 123 |
1.9%
|
| 3 | 8 or 9 years old | 120 |
1.9%
|
| 4 | 10 or 11 years old | 227 |
3.5%
|
| 5 | 12 or 13 years old | 412 |
6.4%
|
| 6 | 14 or 15 years old | 532 |
8.2%
|
| 7 | 16 years old or older | 209 |
3.2%
|
| Sysmiss | 870 |