| Value | Category | Cases | |
|---|---|---|---|
| -99 | 1 |
0.8%
|
|
| 1 | Not effective at all | 9 |
6.8%
|
| 2 | 6 |
4.5%
|
|
| 3 | 8 |
6.1%
|
|
| 4 | 12 |
9.1%
|
|
| 5 | 13 |
9.8%
|
|
| 6 | 10 |
7.6%
|
|
| 7 | 8 |
6.1%
|
|
| 8 | 3 |
2.3%
|
|
| 9 | 3 |
2.3%
|
|
| 10 | Very effective | 3 |
2.3%
|
| 11 | 56 |
42.4%
|
|
| Sysmiss | 12 |