| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4500 |
79.4%
|
| 2 | 7 years old or younger | 167 |
2.9%
|
| 3 | 8 or 9 years old | 154 |
2.7%
|
| 4 | 10 or 11 years old | 174 |
3.1%
|
| 5 | 12 or 13 years old | 338 |
6%
|
| 6 | 14 or 15 years old | 247 |
4.4%
|
| 7 | 16 or 17 years old | 84 |
1.5%
|
| 8 | 18 years old or older | 2 |
0%
|
| Sysmiss | 228 |