| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 9012 |
96.7%
|
| 2 | 7 years old or younger | 47 |
0.5%
|
| 3 | 8 or 9 years old | 24 |
0.3%
|
| 4 | 10 or 11 years old | 48 |
0.5%
|
| 5 | 12 or 13 years old | 54 |
0.6%
|
| 6 | 14 or 15 years old | 92 |
1%
|
| 7 | 16 years old or older | 38 |
0.4%
|
| Sysmiss | 324 |