| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1600 |
84.3%
|
| 2 | 7 years old or younger | 31 |
1.6%
|
| 3 | 8 or 9 years old | 18 |
0.9%
|
| 4 | 10 or 11 years old | 102 |
5.4%
|
| 5 | 12 or 13 years old | 55 |
2.9%
|
| 6 | 14 or 15 years old | 66 |
3.5%
|
| 7 | 16 years old or older | 25 |
1.3%
|
| Sysmiss | 65 |