| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1639 |
92.3%
|
| 2 | 7 years old or younger | 24 |
1.4%
|
| 3 | 8 or 9 years old | 11 |
0.6%
|
| 4 | 10 or 11 years old | 15 |
0.8%
|
| 5 | 12 or 13 years old | 20 |
1.1%
|
| 6 | 14 or 15 years old | 21 |
1.2%
|
| 7 | 16 or 17 years old | 23 |
1.3%
|
| 8 | 18 years old or older | 22 |
1.2%
|
| Sysmiss | 95 |