| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2193 |
54%
|
| 2 | 7 years old or younger | 78 |
1.9%
|
| 3 | 8 or 9 years old | 198 |
4.9%
|
| 4 | 10 or 11 years old | 307 |
7.6%
|
| 5 | 12 or 13 years old | 701 |
17.3%
|
| 6 | 14 or 15 years old | 525 |
12.9%
|
| 7 | 16 years old or older | 57 |
1.4%
|
| Sysmiss | 155 |