| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3498 |
86.1%
|
| 2 | 7 years old or younger | 142 |
3.5%
|
| 3 | 8 or 9 years old | 96 |
2.4%
|
| 4 | 10 or 11 years old | 89 |
2.2%
|
| 5 | 12 or 13 years old | 102 |
2.5%
|
| 6 | 14 or 15 years old | 91 |
2.2%
|
| 7 | 16 years old or older | 43 |
1.1%
|
| Sysmiss | 222 |