| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
6%
|
| 2 | 4 |
4%
|
|
| 3 | 4 |
4%
|
|
| 4 | 13 |
13%
|
|
| 5 | 18 |
18%
|
|
| 6 | 19 |
19%
|
|
| 7 | 19 |
19%
|
|
| 8 | 11 |
11%
|
|
| 9 | 4 |
4%
|
|
| 10 | Very effective | 2 |
2%
|
| 11 | N/A | 94 | |
| Sysmiss | 4 |