| Value | Category | Cases | |
|---|---|---|---|
| -99 | 14 |
2.9%
|
|
| 1 | Not effective at all | 7 |
1.5%
|
| 2 | 11 |
2.3%
|
|
| 3 | 25 |
5.2%
|
|
| 4 | 43 |
9%
|
|
| 5 | 80 |
16.7%
|
|
| 6 | 59 |
12.3%
|
|
| 7 | 61 |
12.8%
|
|
| 8 | 30 |
6.3%
|
|
| 9 | 6 |
1.3%
|
|
| 10 | Very effective | 10 |
2.1%
|
| 11 | 132 |
27.6%
|
|
| Sysmiss | 19 |