| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very harnful | 48 |
4%
|
| 2 | Harmful | 94 |
7.8%
|
| 3 | Neither helpful nor harmful | 74 |
6.2%
|
| 4 | Helpful | 506 |
42.2%
|
| 5 | Very helpful | 385 |
32.1%
|
| 9 | Don't know | 93 |
7.8%
|
| 98 | Refused | 0 |
0%
|