| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 28 |
2.4%
|
| 2 | Easy | 34 |
2.9%
|
| 3 | Difficult | 53 |
4.5%
|
| 4 | Very Difficult | 71 |
6%
|
| 7 | No contact | 998 |
83.8%
|
| 9 | Don't Know | 7 |
0.6%
|
| 98 | Refused | 0 |
0%
|