| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
4.1%
|
| 2 | 5 |
4.1%
|
|
| 3 | 13 |
10.7%
|
|
| 4 | 16 |
13.2%
|
|
| 5 | 15 |
12.4%
|
|
| 6 | 25 |
20.7%
|
|
| 7 | 18 |
14.9%
|
|
| 8 | 13 |
10.7%
|
|
| 9 | 4 |
3.3%
|
|
| 10 | Very effective | 7 |
5.8%
|
| 11 | N/A | 73 | |
| Sysmiss | 4 |