| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 4 |
1.3%
|
| 2 | 5 |
1.7%
|
|
| 3 | 6 |
2%
|
|
| 4 | 13 |
4.3%
|
|
| 5 | 18 |
6%
|
|
| 6 | 30 |
10%
|
|
| 7 | 31 |
10.4%
|
|
| 8 | 18 |
6%
|
|
| 9 | 10 |
3.3%
|
|
| 10 | Very effective | 18 |
6%
|
| 11 | 146 |
48.8%
|
|
| Sysmiss | 8 |