| Value | Category | Cases | |
|---|---|---|---|
| 1 | 579 |
24.6%
|
|
| 2 | Items were not useful at all | 8 |
0.3%
|
| 3 | Items were somewhat useful | 159 |
6.8%
|
| 4 | Items were very useful | 1609 |
68.3%
|