| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 84 |
7%
|
| 2 | Easy | 144 |
12%
|
| 3 | Difficult | 113 |
9.4%
|
| 4 | Very Difficult | 38 |
3.2%
|
| 7 | No contact | 819 |
68.3%
|
| 9 | Don't Know | 2 |
0.2%
|
| 98 | Refused | 0 |
0%
|