| Value | Category | Cases | |
|---|---|---|---|
| -99 | 7 |
2.3%
|
|
| 1 | Not effective at all | 4 |
1.3%
|
| 2 | 1 |
0.3%
|
|
| 3 | 6 |
2%
|
|
| 4 | 20 |
6.5%
|
|
| 5 | 30 |
9.8%
|
|
| 6 | 38 |
12.4%
|
|
| 7 | 31 |
10.1%
|
|
| 8 | 40 |
13%
|
|
| 9 | 37 |
12.1%
|
|
| 10 | Very effective | 30 |
9.8%
|
| 11 | 63 |
20.5%
|
|
| Sysmiss | 3 |