| Value | Category | Cases | |
|---|---|---|---|
| -99 | 24 |
3.3%
|
|
| 1 | Not effective at all | 40 |
5.5%
|
| 2 | 40 |
5.5%
|
|
| 3 | 50 |
6.9%
|
|
| 4 | 83 |
11.4%
|
|
| 5 | 114 |
15.7%
|
|
| 6 | 95 |
13.1%
|
|
| 7 | 57 |
7.9%
|
|
| 8 | 30 |
4.1%
|
|
| 9 | 21 |
2.9%
|
|
| 10 | Very effective | 18 |
2.5%
|
| 11 | 154 |
21.2%
|
|
| Sysmiss | 25 |