| Value | Category | Cases | |
|---|---|---|---|
| 1 | Smoking | 27684 |
5.3%
|
| 2 | Not smoking | 116716 |
22.5%
|
| 3 | Refused to answer | 3596 |
0.7%
|
| 8 | Unknown | 199 |
0%
|
| 9 | Unspecified | 371460 |
71.5%
|