| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do not smoke every day | 1549 |
90.2%
|
| 2 | 10 years old or younger | 38 |
2.2%
|
| 3 | 11 years old | 34 |
2%
|
| 4 | 12 years old | 25 |
1.5%
|
| 5 | 13 years old | 29 |
1.7%
|
| 6 | 14 years old | 24 |
1.4%
|
| 7 | 15 years old | 9 |
0.5%
|
| 8 | 16 years old or older | 9 |
0.5%
|
| Sysmiss | 68 |