| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 1 | Very Easy | 31 |
1.3%
|
| 2 | Easy | 70 |
2.9%
|
| 3 | Difficult | 79 |
3.3%
|
| 4 | Very Difficult | 102 |
4.3%
|
| 7 | No contact | 2107 |
87.8%
|
| 9 | Don't know | 10 |
0.4%
|
| 98 | Refused | 0 |
0%
|