| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2433 |
75.3%
|
| 2 | 7 years old or younger | 149 |
4.6%
|
| 3 | 8 or 9 years old | 124 |
3.8%
|
| 4 | 10 or 11 years old | 185 |
5.7%
|
| 5 | 12 or 13 years old | 222 |
6.9%
|
| 6 | 14 or 15 years old | 99 |
3.1%
|
| 7 | 16 years old or older | 21 |
0.6%
|
| Sysmiss | 195 |