| Value | Category | Cases | |
|---|---|---|---|
| -99 | 12 |
6.3%
|
|
| 1 | Not effective at all | 5 |
2.6%
|
| 2 | 7 |
3.7%
|
|
| 3 | 8 |
4.2%
|
|
| 4 | 6 |
3.2%
|
|
| 5 | 12 |
6.3%
|
|
| 6 | 17 |
9%
|
|
| 7 | 33 |
17.5%
|
|
| 8 | 23 |
12.2%
|
|
| 9 | 10 |
5.3%
|
|
| 10 | Very effective | 3 |
1.6%
|
| 11 | 53 |
28%
|
|
| Sysmiss | 14 |