| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 49 |
4.1%
|
| 2 | Easy | 104 |
8.7%
|
| 3 | Difficult | 288 |
24%
|
| 4 | Very difficult | 266 |
22.2%
|
| 7 | Don't have to pay taxes | 88 |
7.3%
|
| 9 | Don't Know | 404 |
33.7%
|
| 98 | Refused | 0 |
0%
|