| Value | Category | Cases | |
|---|---|---|---|
| -99 | 9 |
2.9%
|
|
| 1 | Not effective at all | 3 |
1%
|
| 2 | 3 |
1%
|
|
| 3 | 7 |
2.3%
|
|
| 4 | 13 |
4.2%
|
|
| 5 | 34 |
11.1%
|
|
| 6 | 36 |
11.7%
|
|
| 7 | 35 |
11.4%
|
|
| 8 | 40 |
13%
|
|
| 9 | 27 |
8.8%
|
|
| 10 | Very effective | 32 |
10.4%
|
| 11 | 68 |
22.1%
|
|
| Sysmiss | 3 |