| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2094 |
53.4%
|
| 2 | 7 years old or younger | 111 |
2.8%
|
| 3 | 8 or 9 years old | 183 |
4.7%
|
| 4 | 10 or 11 years old | 413 |
10.5%
|
| 5 | 12 or 13 years old | 773 |
19.7%
|
| 6 | 14 or 15 years old | 347 |
8.8%
|
| 7 | 16 years old or older | 3 |
0.1%
|
| Sysmiss | 73 |