| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2169 |
71.2%
|
| 2 | 7 years old or younger | 220 |
7.2%
|
| 3 | 8 or 9 years old | 122 |
4%
|
| 4 | 10 or 11 years old | 161 |
5.3%
|
| 5 | 12 or 13 years old | 146 |
4.8%
|
| 6 | 14 or 15 years old | 153 |
5%
|
| 7 | 16 or 17 years old | 69 |
2.3%
|
| 8 | 18 years old or older | 7 |
0.2%
|
| Sysmiss | 286 |