| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 1 | Very Easy | 21 |
1.8%
|
| 2 | Easy | 73 |
6.1%
|
| 3 | Difficult | 64 |
5.3%
|
| 4 | Very Difficult | 48 |
4%
|
| 7 | No contact | 989 |
82.5%
|
| 9 | Don't Know | 3 |
0.3%
|
| 98 | Refused | 0 |
0%
|