| Value | Category | Cases | |
|---|---|---|---|
| 1 | 288 |
11.4%
|
|
| 2 | Items not so useful | 4 |
0.2%
|
| 3 | Items were not useful at all | 14 |
0.6%
|
| 4 | Items were somewhat useful | 536 |
21.3%
|
| 5 | Items were very useful | 1675 |
66.5%
|