| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
1%
|
| 2 | 6 |
2%
|
|
| 3 | 13 |
4.3%
|
|
| 4 | 10 |
3.3%
|
|
| 5 | 25 |
8.3%
|
|
| 6 | 33 |
11%
|
|
| 7 | 35 |
11.6%
|
|
| 8 | 25 |
8.3%
|
|
| 9 | 17 |
5.6%
|
|
| 10 | Very effective | 17 |
5.6%
|
| 11 | 117 |
38.9%
|
|
| Sysmiss | 6 |