| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 1 | Very Easy | 165 |
6.9%
|
| 2 | Easy | 214 |
8.9%
|
| 3 | Difficult | 156 |
6.5%
|
| 4 | Very Difficult | 137 |
5.7%
|
| 7 | No contact | 1722 |
71.8%
|
| 9 | Don't know | 5 |
0.2%
|
| 98 | Refused | 0 |
0%
|