| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 939 |
56.4%
|
| 2 | 10 years old or younger | 106 |
6.4%
|
| 3 | 11 years old | 78 |
4.7%
|
| 4 | 12 years old | 119 |
7.2%
|
| 5 | 13 years old | 151 |
9.1%
|
| 6 | 14 years old | 148 |
8.9%
|
| 7 | 15 years old | 96 |
5.8%
|
| 8 | 16 years old or older | 27 |
1.6%
|
| Sysmiss | 86 |