| Value | Category | Cases | |
|---|---|---|---|
| -99 | 1 |
1.5%
|
|
| 1 | Not effective at all | 6 |
9.2%
|
| 2 | 2 |
3.1%
|
|
| 3 | 2 |
3.1%
|
|
| 4 | 5 |
7.7%
|
|
| 5 | 7 |
10.8%
|
|
| 6 | 4 |
6.2%
|
|
| 7 | 7 |
10.8%
|
|
| 8 | 7 |
10.8%
|
|
| 9 | 1 |
1.5%
|
|
| 10 | Very effective | 6 |
9.2%
|
| 11 | 17 |
26.2%
|
|
| Sysmiss | 5 |