| Value | Category | Cases | |
|---|---|---|---|
| -99 | 6 |
2%
|
|
| 1 | Not effective at all | 4 |
1.3%
|
| 2 | 6 |
2%
|
|
| 3 | 14 |
4.6%
|
|
| 4 | 17 |
5.5%
|
|
| 5 | 35 |
11.4%
|
|
| 6 | 32 |
10.4%
|
|
| 7 | 37 |
12.1%
|
|
| 8 | 33 |
10.7%
|
|
| 9 | 40 |
13%
|
|
| 10 | Very effective | 29 |
9.4%
|
| 11 | 54 |
17.6%
|
|
| Sysmiss | 3 |