| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do not smoke every day | 2029 |
81.9%
|
| 2 | 10 years old or younger | 160 |
6.5%
|
| 3 | 11 years old | 93 |
3.8%
|
| 4 | 12 years old | 71 |
2.9%
|
| 5 | 13 years old | 72 |
2.9%
|
| 6 | 14 years old | 33 |
1.3%
|
| 7 | 15 years old | 8 |
0.3%
|
| 8 | 16 years old or older | 10 |
0.4%
|
| Sysmiss | 36 |