| Value | Category | Cases | |
|---|---|---|---|
| -99 | 3 |
3.2%
|
|
| 1 | Not effective at all | 2 |
2.1%
|
| 2 | 2 |
2.1%
|
|
| 3 | 2 |
2.1%
|
|
| 4 | 1 |
1.1%
|
|
| 5 | 2 |
2.1%
|
|
| 6 | 6 |
6.3%
|
|
| 7 | 11 |
11.6%
|
|
| 8 | 4 |
4.2%
|
|
| 9 | 10 |
10.5%
|
|
| 10 | Very effective | 13 |
13.7%
|
| 11 | 39 |
41.1%
|
|
| Sysmiss | 14 |