| Value | Category | Cases | |
|---|---|---|---|
| 1 | 185 |
7.1%
|
|
| 2 | Items not so useful | 9 |
0.3%
|
| 3 | Items were not useful at all | 11 |
0.4%
|
| 4 | Items were somewhat useful | 526 |
20.1%
|
| 5 | Items were very useful | 1892 |
72.1%
|