| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 952 |
50.1%
|
| 2 | 10 years old or younger | 133 |
7%
|
| 3 | 11 years old | 124 |
6.5%
|
| 4 | 12 years old | 210 |
11%
|
| 5 | 13 years old | 246 |
12.9%
|
| 6 | 14 years old | 147 |
7.7%
|
| 7 | 15 years old | 74 |
3.9%
|
| 8 | 16 years old or older | 15 |
0.8%
|
| Sysmiss | 67 |