| Value | Category | Cases | |
|---|---|---|---|
| -99 | 1 |
0.8%
|
|
| 1 | Not effective at all | 6 |
4.7%
|
| 2 | 2 |
1.6%
|
|
| 3 | 12 |
9.3%
|
|
| 4 | 13 |
10.1%
|
|
| 5 | 12 |
9.3%
|
|
| 6 | 10 |
7.8%
|
|
| 7 | 10 |
7.8%
|
|
| 8 | 9 |
7%
|
|
| 9 | 2 |
1.6%
|
|
| 10 | Very effective | 4 |
3.1%
|
| 11 | 48 |
37.2%
|
|
| Sysmiss | 15 |