| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. VERY USEFUL | 362 |
83.2%
|
| 2 | 2. SOMEWHAT USEFUL | 67 |
15.4%
|
| 3 | 3. NOT VERY USEFUL | 3 |
0.7%
|
| 4 | 4. NOT USEFUL | 3 |
0.7%
|
| 5 | 5. HARMFUL | 0 |
0%
|
| Sysmiss | 97 |