| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very Easy | 29 |
1.2%
|
| 2 | Easy | 140 |
5.9%
|
| 3 | Difficult | 157 |
6.6%
|
| 4 | Very Difficult | 84 |
3.5%
|
| 7 | No contact | 1976 |
82.8%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|