| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 12 |
1%
|
| 2 | Easy | 36 |
3%
|
| 3 | Difficult | 78 |
6.5%
|
| 4 | Very Difficult | 46 |
3.8%
|
| 7 | No contact | 1028 |
85.7%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|