| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2429 |
88.7%
|
| 2 | 7 years old or younger | 61 |
2.2%
|
| 3 | 8 or 9 years old | 44 |
1.6%
|
| 4 | 10 or 11 years old | 59 |
2.2%
|
| 5 | 12 or 13 years old | 69 |
2.5%
|
| 6 | 14 or 15 years old | 52 |
1.9%
|
| 7 | 16 years old or older | 24 |
0.9%
|
| Sysmiss | 158 |