| Value | Category | Cases | |
|---|---|---|---|
| Improved technology | 2 |
4.3%
|
|
| Improved technology Traditional kiln | 6 |
13%
|
|
| NA (no smoking is done) | 1 |
2.2%
|
|
| Traditional kiln | 19 |
41.3%
|
|
| Traditional kiln Improved technology | 18 |
39.1%
|