| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 46 |
1.9%
|
| 2 | Easy | 129 |
5.4%
|
| 3 | Difficult | 67 |
2.8%
|
| 4 | Very Difficult | 70 |
2.9%
|
| 7 | No contact | 2088 |
87%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|