| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do not smoke at all | 2243 |
59.1%
|
| 2 | I have never smoked daily | 913 |
24.1%
|
| 3 | At 12 and earlier | 210 |
5.5%
|
| 4 | At 13 | 221 |
5.8%
|
| 5 | At 14 | 156 |
4.1%
|
| 6 | At 15 | 47 |
1.2%
|
| 7 | At 16 | 4 |
0.1%
|
| Sysmiss | 5 |