| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 14 |
3.3%
|
| 2 | 4 |
0.9%
|
|
| 3 | 7 |
1.6%
|
|
| 4 | 26 |
6.1%
|
|
| 5 | 66 |
15.5%
|
|
| 6 | 94 |
22.1%
|
|
| 7 | 82 |
19.2%
|
|
| 8 | 83 |
19.5%
|
|
| 9 | 24 |
5.6%
|
|
| 10 | Very effective | 26 |
6.1%
|
| 11 | N/A | 188 | |
| Sysmiss | 105 |