| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3699 |
74.8%
|
| 2 | 7 years old or younger | 114 |
2.3%
|
| 3 | 8 or 9 years old | 165 |
3.3%
|
| 4 | 10 or 11 years old | 363 |
7.3%
|
| 5 | 12 or 13 years old | 491 |
9.9%
|
| 6 | 14 or 15 years old | 113 |
2.3%
|
| 7 | 16 years old or older | 2 |
0%
|
| Sysmiss | 130 |