| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 10637 |
87%
|
| 2 | 7 years old or younger | 162 |
1.3%
|
| 3 | 8 or 9 years old | 227 |
1.9%
|
| 4 | 10 or 11 years old | 355 |
2.9%
|
| 5 | 12 or 13 years old | 457 |
3.7%
|
| 6 | 14 or 15 years old | 339 |
2.8%
|
| 7 | 16 years old or older | 53 |
0.4%
|
| Sysmiss | 428 |