| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 41 |
3.4%
|
| 2 | Easy | 150 |
12.5%
|
| 3 | Difficult | 303 |
25.3%
|
| 4 | Very difficult | 333 |
27.8%
|
| 7 | Don’t have to pay taxes | 166 |
13.8%
|
| 9 | Don’t know | 207 |
17.3%
|
| 98 | Refused | 0 |
0%
|