| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 921 |
55.5%
|
| 2 | 10 years old or younger | 112 |
6.7%
|
| 3 | 11 years old | 93 |
5.6%
|
| 4 | 12 years old | 147 |
8.9%
|
| 5 | 13 years old | 164 |
9.9%
|
| 6 | 14 years old | 125 |
7.5%
|
| 7 | 15 years old | 67 |
4%
|
| 8 | 16 years old or older | 31 |
1.9%
|
| Sysmiss | 70 |