| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 361 |
15%
|
| 2 | Easy | 620 |
25.8%
|
| 3 | Difficult | 333 |
13.9%
|
| 4 | Very Difficult | 136 |
5.7%
|
| 7 | No contact | 947 |
39.5%
|
| 9 | Don't Know | 3 |
0.1%
|
| 98 | Refused | 0 |
0%
|