| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2425 |
69.8%
|
| 2 | 7 years old or younger | 60 |
1.7%
|
| 3 | 8 or 9 years old | 57 |
1.6%
|
| 4 | 10 or 11 years old | 114 |
3.3%
|
| 5 | 12 or 13 years old | 425 |
12.2%
|
| 6 | 14 or 15 years old | 356 |
10.2%
|
| 7 | 16 years old or older | 37 |
1.1%
|
| Sysmiss | 50 |