| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 7625 |
79%
|
| 2 | 7 years old or younger | 148 |
1.5%
|
| 3 | 8 or 9 years old | 264 |
2.7%
|
| 4 | 10 or 11 years old | 457 |
4.7%
|
| 5 | 12 or 13 years old | 848 |
8.8%
|
| 6 | 14 or 15 years old | 304 |
3.2%
|
| 7 | 16 years old or older | 1 |
0%
|
| Sysmiss | 316 |