| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 6 |
0.5%
|
| 2 | Easy | 13 |
1.1%
|
| 3 | Difficult | 10 |
0.8%
|
| 4 | Very Difficult | 13 |
1.1%
|
| 7 | No contact | 1158 |
96.5%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|