| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 36 |
3%
|
| 2 | Easy | 24 |
2%
|
| 3 | Difficult | 16 |
1.3%
|
| 4 | Very Difficult | 26 |
2.2%
|
| 7 | No contact | 1098 |
91.5%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|