| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 32 |
2.7%
|
| 2 | Easy | 160 |
13.5%
|
| 3 | Difficult | 109 |
9.2%
|
| 4 | Very Difficult | 68 |
5.8%
|
| 7 | No contact | 810 |
68.5%
|
| 9 | Don't Know | 3 |
0.3%
|
| 98 | Refused | 0 |
0%
|