| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 98 |
8.2%
|
| 2 | Easy | 236 |
19.7%
|
| 3 | Difficult | 122 |
10.2%
|
| 4 | Very Difficult | 69 |
5.8%
|
| 7 | No contact | 674 |
56.2%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0.1%
|