| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 1 | Very easy | 140 |
5.8%
|
| 2 | Easy | 536 |
22.3%
|
| 3 | Difficult | 888 |
37%
|
| 4 | Very difficult | 498 |
20.8%
|
| 7 | Don't have to pay taxes | 61 |
2.5%
|
| 9 | Don't Know | 276 |
11.5%
|
| 98 | Refused | 0 |
0%
|