| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 320 |
13.4%
|
| 2 | Easy | 701 |
29.2%
|
| 3 | Difficult | 541 |
22.6%
|
| 4 | Very Difficult | 220 |
9.2%
|
| 7 | No contact | 615 |
25.7%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|