| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4769 |
78.3%
|
| 2 | 7 years old or younger | 276 |
4.5%
|
| 3 | 8 or 9 years old | 195 |
3.2%
|
| 4 | 10 or 11 years old | 153 |
2.5%
|
| 5 | 12 or 13 years old | 320 |
5.3%
|
| 6 | 14 or 15 years old | 283 |
4.6%
|
| 7 | 16 years old or older | 93 |
1.5%
|
| Sysmiss | 241 |