| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2801 |
52.3%
|
| 2 | 7 years old or younger | 399 |
7.5%
|
| 3 | 8 or 9 years old | 254 |
4.7%
|
| 4 | 10 or 11 years old | 360 |
6.7%
|
| 5 | 12 or 13 years old | 706 |
13.2%
|
| 6 | 14 or 15 years old | 744 |
13.9%
|
| 7 | 16 years old or older | 91 |
1.7%
|
| Sysmiss | 128 |