| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4604 |
63.6%
|
| 2 | 7 years old or younger | 205 |
2.8%
|
| 3 | 8 or 9 years old | 214 |
3%
|
| 4 | 10 or 11 years old | 324 |
4.5%
|
| 5 | 12 or 13 years old | 621 |
8.6%
|
| 6 | 14 or 15 years old | 832 |
11.5%
|
| 7 | 16 or 17 years old | 376 |
5.2%
|
| 8 | 18 years old or older | 65 |
0.9%
|
| Sysmiss | 335 |