| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 7 |
1.7%
|
| 2 | 4 |
1%
|
|
| 3 | 13 |
3.1%
|
|
| 4 | 28 |
6.7%
|
|
| 5 | 69 |
16.5%
|
|
| 6 | 90 |
21.5%
|
|
| 7 | 80 |
19.1%
|
|
| 8 | 72 |
17.2%
|
|
| 9 | 22 |
5.3%
|
|
| 10 | Very effective | 33 |
7.9%
|
| 11 | N/A | 217 | |
| Sysmiss | 84 |