| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 14672 |
77.2%
|
| 2 | 7 years old or younger | 441 |
2.3%
|
| 3 | 8 or 9 years old | 389 |
2%
|
| 4 | 10 or 11 years old | 836 |
4.4%
|
| 5 | 12 or 13 years old | 1453 |
7.6%
|
| 6 | 14 or 15 years old | 1071 |
5.6%
|
| 7 | 16 years old or older | 152 |
0.8%
|
| Sysmiss | 860 |