| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1444 |
90.4%
|
| 2 | 7 years old or younger | 20 |
1.3%
|
| 3 | 8 or 9 years old | 24 |
1.5%
|
| 4 | 10 or 11 years old | 31 |
1.9%
|
| 5 | 12 or 13 years old | 38 |
2.4%
|
| 6 | 14 or 15 years old | 34 |
2.1%
|
| 7 | 16 years old or older | 6 |
0.4%
|
| Sysmiss | 41 |