| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
1.7%
|
| 2 | 7 |
2.3%
|
|
| 3 | 12 |
4%
|
|
| 4 | 8 |
2.7%
|
|
| 5 | 22 |
7.4%
|
|
| 6 | 31 |
10.4%
|
|
| 7 | 27 |
9%
|
|
| 8 | 32 |
10.7%
|
|
| 9 | 21 |
7%
|
|
| 10 | Very effective | 14 |
4.7%
|
| 11 | 120 |
40.1%
|
|
| Sysmiss | 8 |