| Value | Category | Cases | |
|---|---|---|---|
| 1 | LIGHTS | 2559 |
54.4%
|
| 2 | MILD | 210 |
4.5%
|
| 3 | LOW TAR | 304 |
6.5%
|
| 4 | NONE OF THE ABOVE | 1495 |
31.8%
|
| 7 | DON’T KNOW | 128 |
2.7%
|
| 9 | REFUSED | 4 |
0.1%
|
| Sysmiss | 6706 |