| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3611 |
89.2%
|
| 2 | 7 years old or younger | 87 |
2.1%
|
| 3 | 8 or 9 years old | 65 |
1.6%
|
| 4 | 10 or 11 years old | 98 |
2.4%
|
| 5 | 12 or 13 years old | 108 |
2.7%
|
| 6 | 14 or 15 years old | 73 |
1.8%
|
| 7 | 16 years old or older | 7 |
0.2%
|
| Sysmiss | 147 |