| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 15 |
9.7%
|
| 3 | 7 |
4.5%
|
|
| 4 | 15 |
9.7%
|
|
| 5 | 17 |
11%
|
|
| 6 | 21 |
13.5%
|
|
| 7 | 23 |
14.8%
|
|
| 8 | 28 |
18.1%
|
|
| 9 | 9 |
5.8%
|
|
| 10 | Very effective | 20 |
12.9%
|
| 11 | N/A | 110 | |
| Sysmiss | 61 |