| Value | Category | Cases | |
|---|---|---|---|
| -99 | 1 |
1%
|
|
| 1 | Not effective at all | 1 |
1%
|
| 2 | 2 |
2%
|
|
| 3 | 1 |
1%
|
|
| 4 | 2 |
2%
|
|
| 5 | 8 |
8%
|
|
| 6 | 8 |
8%
|
|
| 7 | 8 |
8%
|
|
| 8 | 12 |
12%
|
|
| 9 | 4 |
4%
|
|
| 10 | Very effective | 23 |
23%
|
| 11 | 30 |
30%
|
|
| Sysmiss | 9 |