| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 8205 |
74.8%
|
| 2 | 7 years old or younger | 184 |
1.7%
|
| 3 | 8 or 9 years old | 167 |
1.5%
|
| 4 | 10 or 11 years old | 552 |
5%
|
| 5 | 12 or 13 years old | 1323 |
12.1%
|
| 6 | 14 or 15 years old | 501 |
4.6%
|
| 7 | 16 years old or older | 38 |
0.3%
|
| Sysmiss | 143 |