Value | Category | Cases | |
---|---|---|---|
1 | boiling | 221 |
3.4%
|
2 | boiling chlorination | 8 |
0.1%
|
3 | boiling filter | 8 |
0.1%
|
4 | boiling safe | 5 |
0.1%
|
5 | chlorination | 254 |
4%
|
6 | chlorination filter | 15 |
0.2%
|
7 | chlorination safe | 1 |
0%
|
8 | filter | 529 |
8.2%
|
9 | filter none | 2 |
0%
|
10 | filter safe | 1 |
0%
|
11 | none | 824 |
12.8%
|
12 | other | 93 |
1.4%
|
13 | safe | 1715 |
26.7%
|
Missing value | 2745 |
42.8%
|