| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 1 |
1.7%
|
| 2 | 3 |
5.1%
|
|
| 3 | 5 |
8.5%
|
|
| 4 | 6 |
10.2%
|
|
| 5 | 10 |
16.9%
|
|
| 6 | 9 |
15.3%
|
|
| 7 | 12 |
20.3%
|
|
| 8 | 8 |
13.6%
|
|
| 9 | 2 |
3.4%
|
|
| 10 | Very effective | 3 |
5.1%
|
| 11 | N/A | 92 | |
| Sysmiss | 43 |