| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 19 |
6.5%
|
| 2 | 15 |
5.1%
|
|
| 3 | 10 |
3.4%
|
|
| 4 | 29 |
9.9%
|
|
| 5 | 62 |
21.2%
|
|
| 6 | 66 |
22.5%
|
|
| 7 | 23 |
7.8%
|
|
| 8 | 8 |
2.7%
|
|
| 9 | 5 |
1.7%
|
|
| 10 | Very effective | 6 |
2%
|
| 11 | 50 |
17.1%
|
|
| Sysmiss | 8 |