| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2538 |
75.7%
|
| 2 | 7 years old or younger | 248 |
7.4%
|
| 3 | 8 to 9 years old | 140 |
4.2%
|
| 4 | 10 or 11 years old | 138 |
4.1%
|
| 5 | 12 or 13 years old | 159 |
4.7%
|
| 6 | 14 to 15 years old | 90 |
2.7%
|
| 7 | 16 years old or older | 38 |
1.1%
|
| Sysmiss | 77 |