| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 20 |
1.7%
|
| 2 | Easy | 32 |
2.7%
|
| 3 | Difficult | 17 |
1.4%
|
| 4 | Very Difficult | 6 |
0.5%
|
| 7 | No contact | 1125 |
93.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|