| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1809 |
57.6%
|
| 2 | 7 years old or younger | 112 |
3.6%
|
| 3 | 8 or 9 years old | 120 |
3.8%
|
| 4 | 10 or 11 years old | 213 |
6.8%
|
| 5 | 12 or 13 years old | 356 |
11.3%
|
| 6 | 14 or 15 years old | 394 |
12.5%
|
| 7 | 16 or 17 years old | 121 |
3.9%
|
| 8 | 18 years old or older | 15 |
0.5%
|
| Sysmiss | 76 |