| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
3.3%
|
| 2 | 5 |
8.3%
|
|
| 3 | 3 |
5%
|
|
| 4 | 6 |
10%
|
|
| 5 | 13 |
21.7%
|
|
| 6 | 8 |
13.3%
|
|
| 7 | 9 |
15%
|
|
| 8 | 7 |
11.7%
|
|
| 9 | 3 |
5%
|
|
| 10 | Very effective | 4 |
6.7%
|
| 11 | N/A | 101 | |
| Sysmiss | 32 |