| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 1 | Very Easy | 110 |
4.6%
|
| 2 | Easy | 92 |
3.8%
|
| 3 | Difficult | 100 |
4.2%
|
| 4 | Very Difficult | 154 |
6.4%
|
| 7 | No contact | 1931 |
80.5%
|
| 9 | Don't know | 12 |
0.5%
|
| 98 | Refused | 0 |
0%
|