| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 12 |
1%
|
| 2 | Easy | 64 |
5.3%
|
| 3 | Difficult | 39 |
3.3%
|
| 4 | Very Difficult | 17 |
1.4%
|
| 7 | No contact | 1067 |
88.9%
|
| 9 | Don't Know | 1 |
0.1%
|
| 98 | Refused | 0 |
0%
|