| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 1 |
2.6%
|
| 2 | 3 |
7.9%
|
|
| 3 | 3 |
7.9%
|
|
| 4 | 9 |
23.7%
|
|
| 5 | 10 |
26.3%
|
|
| 6 | 5 |
13.2%
|
|
| 7 | 5 |
13.2%
|
|
| 8 | 2 |
5.3%
|
|
| 10 | Very effective | 0 |
0%
|
| 11 | N/A | 52 | |
| Sysmiss | 16 |