| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked a cigarette | 2010 |
96.6%
|
| 2 | 7 years old or younger | 17 |
0.8%
|
| 3 | 8 or 9 years old | 4 |
0.2%
|
| 4 | 10 or 11 years old | 1 |
0%
|
| 5 | 12 or 13 years old | 5 |
0.2%
|
| 6 | 14 or 15 years old | 18 |
0.9%
|
| 7 | 16 years old or older | 25 |
1.2%
|
| Sysmiss | 32 |