| Value | Category | Cases | |
|---|---|---|---|
| -99 | 1 |
0.7%
|
|
| 1 | Not effective at all | 6 |
4.4%
|
| 2 | 3 |
2.2%
|
|
| 3 | 13 |
9.6%
|
|
| 4 | 11 |
8.1%
|
|
| 5 | 14 |
10.4%
|
|
| 6 | 8 |
5.9%
|
|
| 7 | 15 |
11.1%
|
|
| 8 | 6 |
4.4%
|
|
| 9 | 5 |
3.7%
|
|
| 10 | Very effective | 3 |
2.2%
|
| 11 | 50 |
37%
|
|
| Sysmiss | 9 |