| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 4 |
1.3%
|
| 2 | 4 |
1.3%
|
|
| 3 | 8 |
2.7%
|
|
| 4 | 8 |
2.7%
|
|
| 5 | 21 |
7%
|
|
| 6 | 20 |
6.7%
|
|
| 7 | 26 |
8.7%
|
|
| 8 | 29 |
9.7%
|
|
| 9 | 12 |
4%
|
|
| 10 | Very effective | 16 |
5.4%
|
| 11 | 150 |
50.3%
|
|
| Sysmiss | 9 |