| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 5821 |
91.4%
|
| 2 | 7 years old or younger | 130 |
2%
|
| 3 | 8 or 9 years old | 92 |
1.4%
|
| 4 | 10 or 11 years old | 122 |
1.9%
|
| 5 | 12 or 13 years old | 76 |
1.2%
|
| 6 | 14 or 15 years old | 77 |
1.2%
|
| 7 | 16 years old or older | 50 |
0.8%
|
| Sysmiss | 312 |