| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 7 |
3.4%
|
| 2 | 5 |
2.4%
|
|
| 3 | 8 |
3.9%
|
|
| 4 | 6 |
2.9%
|
|
| 5 | 19 |
9.3%
|
|
| 6 | 26 |
12.7%
|
|
| 7 | 24 |
11.7%
|
|
| 8 | 37 |
18%
|
|
| 9 | 25 |
12.2%
|
|
| 10 | Very effective | 48 |
23.4%
|
| -99 | 10 | ||
| 11 | Don't know | 87 | |
| Sysmiss | 50 |