| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
7.7%
|
| 3 | 4 |
5.1%
|
|
| 4 | 9 |
11.5%
|
|
| 5 | 13 |
16.7%
|
|
| 6 | 8 |
10.3%
|
|
| 7 | 12 |
15.4%
|
|
| 8 | 10 |
12.8%
|
|
| 9 | 9 |
11.5%
|
|
| 10 | Very effective | 7 |
9%
|
| 11 | N/A | 139 | |
| Sysmiss | 109 |