| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 8 |
0.7%
|
| 2 | Easy | 199 |
16.6%
|
| 3 | Difficult | 147 |
12.3%
|
| 4 | Very Difficult | 37 |
3.1%
|
| 7 | No contact | 801 |
67%
|
| 9 | Don't Know | 4 |
0.3%
|
| 98 | Refused | 0 |
0%
|