| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 223 |
18.6%
|
| 2 | Easy | 301 |
25.1%
|
| 3 | Difficult | 215 |
17.9%
|
| 4 | Very Difficult | 117 |
9.8%
|
| 7 | No contact | 343 |
28.6%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|