| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 9783 |
75.4%
|
| 2 | 7 years old or younger | 385 |
3%
|
| 3 | 8 or 9 years old | 272 |
2.1%
|
| 4 | 10 or 11 years old | 526 |
4.1%
|
| 5 | 12 or 13 years old | 1179 |
9.1%
|
| 6 | 14 or 15 years old | 759 |
5.8%
|
| 7 | 16 years old or older | 73 |
0.6%
|
| Sysmiss | 97 |