| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 26 |
21.8%
|
| 2 | 7 years old or younger | 17 |
14.3%
|
| 3 | 8 or 9 years old | 14 |
11.8%
|
| 4 | 10 or 11 years old | 33 |
27.7%
|
| 5 | 12 or 13 years old | 16 |
13.4%
|
| 6 | 14 or 15 years old | 10 |
8.4%
|
| 7 | 16 years old or older | 3 |
2.5%
|
| Sysmiss | 11 |