| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4239 |
73%
|
| 2 | 7 years old or younger | 108 |
1.9%
|
| 3 | 8 or 9 years old | 96 |
1.7%
|
| 4 | 10 or 11 years old | 195 |
3.4%
|
| 5 | 12 or 13 years old | 490 |
8.4%
|
| 6 | 14 or 15 years old | 483 |
8.3%
|
| 7 | 16 years old or older | 194 |
3.3%
|
| Sysmiss | 239 |