| Value | Category | Cases | |
|---|---|---|---|
| 1 | (1) Not useful at all | 49163 |
10%
|
| 2 | (2) | 62420 |
12.7%
|
| 3 | (3) | 89981 |
18.3%
|
| 4 | (4) | 102405 |
20.8%
|
| 5 | (5) | 93278 |
19%
|
| 6 | (6) Very Useful | 94899 |
19.3%
|
| 7 | N/A | 4039 | |
| 8 | Invalid | 1893 | |
| 9 | Miss | 17880 |