| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 8 |
1.3%
|
| 2 | 20 |
3.3%
|
|
| 3 | 51 |
8.4%
|
|
| 4 | 43 |
7.1%
|
|
| 5 | 80 |
13.2%
|
|
| 6 | 60 |
9.9%
|
|
| 7 | 71 |
11.7%
|
|
| 8 | 62 |
10.2%
|
|
| 9 | 57 |
9.4%
|
|
| 10 | Very effective | 44 |
7.3%
|
| 11 | 81 |
13.4%
|
|
| Sysmiss | 29 |
4.8%
|