| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 74 |
6.2%
|
| 2 | Easy | 109 |
9.1%
|
| 3 | Difficult | 237 |
19.8%
|
| 4 | Very difficult | 707 |
58.9%
|
| 7 | Don’t have to pay taxes | 28 |
2.3%
|
| 9 | Don’t know | 45 |
3.8%
|
| 98 | Refused | 0 |
0%
|