| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked a cigarette | 4433 |
97.5%
|
| 2 | 7 years old or younger | 17 |
0.4%
|
| 3 | 8 or 9 years | 0 |
0%
|
| 4 | 10 or 11 years | 7 |
0.2%
|
| 5 | 12 or 13 years | 3 |
0.1%
|
| 6 | 14 or 15 years | 18 |
0.4%
|
| 7 | 16 years old or older | 68 |
1.5%
|
| Sysmiss | 10 |