| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3861 |
97.4%
|
| 2 | 7 years old or younger | 38 |
1%
|
| 3 | 8 or 9 years old | 23 |
0.6%
|
| 4 | 10 or 11 years old | 8 |
0.2%
|
| 5 | 12 or 13 years old | 14 |
0.4%
|
| 6 | 14 or 15 years old | 16 |
0.4%
|
| 7 | 16 years old or older | 5 |
0.1%
|
| Sysmiss | 118 |