| Value | Category | Cases | |
|---|---|---|---|
| -99 | 12 |
6.4%
|
|
| 1 | Not effective at all | 4 |
2.1%
|
| 2 | 6 |
3.2%
|
|
| 3 | 5 |
2.7%
|
|
| 4 | 4 |
2.1%
|
|
| 5 | 15 |
8%
|
|
| 6 | 16 |
8.5%
|
|
| 7 | 25 |
13.3%
|
|
| 8 | 18 |
9.6%
|
|
| 9 | 10 |
5.3%
|
|
| 10 | Very effective | 2 |
1.1%
|
| 11 | 71 |
37.8%
|
|
| Sysmiss | 15 |