| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 9 |
2.6%
|
| 2 | 12 |
3.4%
|
|
| 3 | 13 |
3.7%
|
|
| 4 | 35 |
9.9%
|
|
| 5 | 60 |
17%
|
|
| 6 | 76 |
21.6%
|
|
| 7 | 60 |
17%
|
|
| 8 | 48 |
13.6%
|
|
| 9 | 18 |
5.1%
|
|
| 10 | Very effective | 21 |
6%
|
| 11 | N/A | 248 | |
| Sysmiss | 119 |