| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3282 |
88.8%
|
| 2 | 7 years old or younger | 57 |
1.5%
|
| 3 | 8 or 9 years old | 53 |
1.4%
|
| 4 | 10 or 11 years old | 75 |
2%
|
| 5 | 12 or 13 years old | 122 |
3.3%
|
| 6 | 14 or 15 years old | 97 |
2.6%
|
| 7 | 16 years old or older | 9 |
0.2%
|
| Sysmiss | 99 |