| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
1.9%
|
| 2 | 1 |
0.9%
|
|
| 3 | 10 |
9.3%
|
|
| 4 | 16 |
15%
|
|
| 5 | 25 |
23.4%
|
|
| 6 | 25 |
23.4%
|
|
| 7 | 11 |
10.3%
|
|
| 8 | 5 |
4.7%
|
|
| 9 | 9 |
8.4%
|
|
| 10 | Very effective | 3 |
2.8%
|
| 11 | N/A | 79 | |
| Sysmiss | 17 |