| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3125 |
95.2%
|
| 2 | 7 years old or younger | 52 |
1.6%
|
| 3 | 8 or 9 years old | 31 |
0.9%
|
| 4 | 10 or 11 years old | 42 |
1.3%
|
| 5 | 12 or 13 years old | 16 |
0.5%
|
| 6 | 14 or 15 years old | 9 |
0.3%
|
| 7 | 16 years old or older | 9 |
0.3%
|
| Sysmiss | 29 |