| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 84 |
7%
|
| 2 | Easy | 63 |
5.3%
|
| 3 | Difficult | 87 |
7.3%
|
| 4 | Very Difficult | 247 |
20.6%
|
| 7 | No contact | 718 |
59.8%
|
| 9 | Don't Know | 1 |
0.1%
|
| 98 | Refused | 0 |
0%
|