| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2396 |
70.8%
|
| 2 | 7 years old or younger | 67 |
2%
|
| 3 | 8 or 9 years old | 102 |
3%
|
| 4 | 10 or 11 years old | 210 |
6.2%
|
| 5 | 12 or 13 years old | 399 |
11.8%
|
| 6 | 14 or 15 years old | 210 |
6.2%
|
| 7 | 16 years old or older | 2 |
0.1%
|
| Sysmiss | 57 |