| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2778 |
70.6%
|
| 2 | 7 years old or younger | 82 |
2.1%
|
| 3 | 8 or 9 years old | 97 |
2.5%
|
| 4 | 10 or 11 years old | 220 |
5.6%
|
| 5 | 12 or 13 years old | 447 |
11.4%
|
| 6 | 14 or 15 years old | 278 |
7.1%
|
| 7 | 16 years old or older | 34 |
0.9%
|
| Sysmiss | 125 |