| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3794 |
76.7%
|
| 2 | 7 years old or younger | 123 |
2.5%
|
| 3 | 8 or 9 years old | 73 |
1.5%
|
| 4 | 10 or 11 years old | 137 |
2.8%
|
| 5 | 12 or 13 years old | 303 |
6.1%
|
| 6 | 14 or 15 years old | 373 |
7.5%
|
| 7 | 16 years old or older | 142 |
2.9%
|
| Sysmiss | 345 |