| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2211 |
46.3%
|
| 2 | 7 years old or younger | 84 |
1.8%
|
| 3 | 8 or 9 years old | 121 |
2.5%
|
| 4 | 10 or 11 years old | 327 |
6.8%
|
| 5 | 12 or 13 years old | 1169 |
24.5%
|
| 6 | 14 or 15 years old | 763 |
16%
|
| 7 | 16 years old or older | 100 |
2.1%
|
| Sysmiss | 151 |