| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 20 |
1.7%
|
| 2 | Easy | 58 |
4.8%
|
| 3 | Difficult | 46 |
3.8%
|
| 4 | Very Difficult | 29 |
2.4%
|
| 7 | No contact | 1046 |
87.2%
|
| 9 | Don't Know | 1 |
0.1%
|
| 98 | Refused | 0 |
0%
|