| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2544 |
55.8%
|
| 2 | 7 years old or younger | 464 |
10.2%
|
| 3 | 8 or 9 years old | 355 |
7.8%
|
| 4 | 10 or 11 years old | 312 |
6.8%
|
| 5 | 12 or 13 years old | 460 |
10.1%
|
| 6 | 14 or 15 years old | 392 |
8.6%
|
| 7 | 16 years old or older | 31 |
0.7%
|
| Sysmiss | 145 |