| Value | Category | Cases | |
|---|---|---|---|
| 1 | 541 |
21.4%
|
|
| 2 | Items not so useful | 6 |
0.2%
|
| 3 | Items were not useful at all | 19 |
0.8%
|
| 4 | Items were somewhat useful | 462 |
18.2%
|
| 5 | Items were very useful | 1505 |
59.4%
|