| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3405 |
83.7%
|
| 2 | 7 years old or younger | 94 |
2.3%
|
| 3 | 8 or 9 years old | 93 |
2.3%
|
| 4 | 10 or 11 years old | 159 |
3.9%
|
| 5 | 12 or 13 years old | 176 |
4.3%
|
| 6 | 14 or 15 years old | 112 |
2.8%
|
| 7 | 16 years old or older | 30 |
0.7%
|
| Sysmiss | 109 |