| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 675 |
55%
|
| 2 | 7 years old or younger | 23 |
1.9%
|
| 3 | 8 or 9 years old | 43 |
3.5%
|
| 4 | 10 or 11 years old | 79 |
6.4%
|
| 5 | 12 or 13 years old | 228 |
18.6%
|
| 6 | 14 or 15 years old | 160 |
13%
|
| 7 | 16 years old or older | 20 |
1.6%
|
| Sysmiss | 37 |