| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 43 |
1.8%
|
| 2 | Easy | 210 |
8.8%
|
| 3 | Difficult | 175 |
7.3%
|
| 4 | Very Difficult | 52 |
2.2%
|
| 7 | No contact | 1905 |
79.8%
|
| 9 | Don't Know | 1 |
0%
|
| 98 | Refused | 0 |
0%
|