| Value | Category | Cases | |
|---|---|---|---|
| -99 | 6 |
2%
|
|
| 1 | Not effective at all | 7 |
2.3%
|
| 2 | 5 |
1.6%
|
|
| 3 | 8 |
2.6%
|
|
| 4 | 15 |
4.9%
|
|
| 5 | 27 |
8.8%
|
|
| 6 | 34 |
11.1%
|
|
| 7 | 46 |
15%
|
|
| 8 | 42 |
13.7%
|
|
| 9 | 37 |
12.1%
|
|
| 10 | Very effective | 23 |
7.5%
|
| 11 | 57 |
18.6%
|
|
| Sysmiss | 3 |