| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do not smoke every day | 1640 |
77.7%
|
| 2 | 10 years old or younger | 121 |
5.7%
|
| 3 | 11 years old | 103 |
4.9%
|
| 4 | 12 years old | 83 |
3.9%
|
| 5 | 13 years old | 93 |
4.4%
|
| 6 | 14 years old | 56 |
2.7%
|
| 7 | 15 years old | 6 |
0.3%
|
| 8 | 16 years old or older | 9 |
0.4%
|
| Sysmiss | 99 |