| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do not smoke every day | 1211 |
79.6%
|
| 2 | 10 years old or younger | 118 |
7.8%
|
| 3 | 11 years old | 57 |
3.7%
|
| 4 | 12 years old | 57 |
3.7%
|
| 5 | 13 years old | 41 |
2.7%
|
| 6 | 14 years old | 28 |
1.8%
|
| 7 | 15 years old | 3 |
0.2%
|
| 8 | 16 years old or older | 7 |
0.5%
|
| Sysmiss | 34 |