| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 21 |
8.9%
|
| 2 | 5 |
2.1%
|
|
| 3 | 21 |
8.9%
|
|
| 4 | 21 |
8.9%
|
|
| 5 | 26 |
11.1%
|
|
| 6 | 25 |
10.6%
|
|
| 7 | 30 |
12.8%
|
|
| 8 | 26 |
11.1%
|
|
| 9 | 23 |
9.8%
|
|
| 10 | Very effective | 37 |
15.7%
|
| 11 | N/A | 100 | |
| Sysmiss | 95 |