| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 14 |
1.2%
|
| 2 | Easy | 19 |
1.6%
|
| 3 | Difficult | 24 |
2%
|
| 4 | Very difficult | 30 |
2.5%
|
| 7 | Not applicable | 1113 |
92.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|