| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 73 |
6.1%
|
| 2 | Easy | 157 |
13.1%
|
| 3 | Difficult | 120 |
10%
|
| 4 | Very Difficult | 125 |
10.4%
|
| 7 | No contact | 724 |
60.3%
|
| 9 | Don't Know | 1 |
0.1%
|
| 98 | Refused | 0 |
0%
|