Value | Category | Cases | |
---|---|---|---|
1 | Open burning | 0 |
0%
|
2 | Buried | 4 |
0.2%
|
3 | Chemical treatment | 2 |
0.1%
|
4 | Others, specify | 2 |
0.1%
|
5 | 6 |
0.3%
|
|
Sysmiss | 1936 |