Value | Category | Cases | |
---|---|---|---|
-9999 | inapplicable | 0 |
0%
|
-3 | non-response | 0 |
0%
|
-2 | non response | 73 |
0.6%
|
-1 | non response | 0 |
0%
|
0 | dont use | 11759 |
90.4%
|
1 | refining or filtering | 1125 |
8.7%
|
2 | using disinfectants | 46 |
0.4%
|