| Value | Category | Cases | |
|---|---|---|---|
| 1 | a. Very difficult | 2318 |
63.5%
|
| 2 | b. somewhat difficult | 344 |
9.4%
|
| 3 | c. Somewhat easy | 36 |
1%
|
| 4 | d. Very easy. | 8 |
0.2%
|
| Missing value | 943 |
25.8%
|