| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 224 |
43.8%
|
| 2 | A little difficult | 121 |
23.6%
|
| 3 | Not difficult | 167 |
32.6%
|
| 7 | N/A | 0 |
0%
|
| 8 | DK | 0 |
0%
|