| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Human activity, like cutting down forests, or burning fuel and other activities that pollute the atmosphere | 240 |
20%
|
| 2 | Natural weather patterns or natural processes | 162 |
13.5%
|
| 3 | Both human activity and natural processes | 109 |
9.1%
|
| 4 | Some other reason | 6 |
0.5%
|
| 5 | None of these | 12 |
1%
|
| 7 | Not applicable | 647 |
53.9%
|
| 8 | Refused to Answer | 0 |
0%
|
| 9 | Don’t know / Haven’t heard enough | 24 |
2%
|