| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 11 |
5.4%
|
| 2 | 7 |
3.4%
|
|
| 3 | 10 |
4.9%
|
|
| 4 | 19 |
9.3%
|
|
| 5 | 38 |
18.5%
|
|
| 6 | 31 |
15.1%
|
|
| 7 | 24 |
11.7%
|
|
| 8 | 29 |
14.1%
|
|
| 9 | 15 |
7.3%
|
|
| 10 | Very effective | 21 |
10.2%
|
| 11 | N/A | 157 | |
| Sysmiss | 68 |