| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2492 |
76.7%
|
| 2 | 7 years old or younger | 88 |
2.7%
|
| 3 | 8 or 9 years old | 97 |
3%
|
| 4 | 10 or 11 years old | 135 |
4.2%
|
| 5 | 12 or 13 years old | 232 |
7.1%
|
| 6 | 14 or 15 years old | 169 |
5.2%
|
| 7 | 16 years old or older | 37 |
1.1%
|
| Sysmiss | 64 |