| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 26 |
1.1%
|
| 2 | Easy | 89 |
3.7%
|
| 3 | Difficult | 85 |
3.5%
|
| 4 | Very Difficult | 56 |
2.3%
|
| 7 | No contact | 2140 |
89.2%
|
| 9 | Don't Know | 4 |
0.2%
|
| 98 | Refused | 0 |
0%
|