| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 24 |
2%
|
| 2 | Easy | 179 |
14.9%
|
| 3 | Difficult | 615 |
51.3%
|
| 4 | Very difficult | 272 |
22.7%
|
| 7 | Don’t have to pay taxes [DNR] | 35 |
2.9%
|
| 9 | Don't Know | 75 |
6.3%
|
| 998 | Refused | 0 |
0%
|