| Value | Category | Cases | |
|---|---|---|---|
| 1 | (1) Not useful at all | 84010 |
17%
|
| 2 | (2) | 107044 |
21.7%
|
| 3 | (3) | 108646 |
22%
|
| 4 | (4) | 85307 |
17.3%
|
| 5 | (5) | 53913 |
10.9%
|
| 6 | (6) Very Useful | 55005 |
11.1%
|
| 7 | N/A | 4036 | |
| 8 | Invalid | 1427 | |
| 9 | Miss | 16570 |