| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 8558 |
74.4%
|
| 2 | 7 years old or younger | 584 |
5.1%
|
| 3 | 8 or 9 years old | 502 |
4.4%
|
| 4 | 10 or 11 years old | 586 |
5.1%
|
| 5 | 12 or 13 years old | 768 |
6.7%
|
| 6 | 14 or 15 years old | 487 |
4.2%
|
| 7 | 16 years old or older | 25 |
0.2%
|
| Sysmiss | 436 |