| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1976 |
77.6%
|
| 2 | 7 years old or younger | 100 |
3.9%
|
| 3 | 8 or 9 years old | 56 |
2.2%
|
| 4 | 10 or 11 years old | 103 |
4%
|
| 5 | 12 or 13 years old | 155 |
6.1%
|
| 6 | 14 or 15 years old | 141 |
5.5%
|
| 7 | 16 years old or older | 17 |
0.7%
|
| Sysmiss | 78 |