| Value | Category | Cases | |
|---|---|---|---|
| -99 | 5 |
1.6%
|
|
| 1 | Not effective at all | 1 |
0.3%
|
| 2 | 7 |
2.3%
|
|
| 3 | 10 |
3.3%
|
|
| 4 | 12 |
3.9%
|
|
| 5 | 32 |
10.4%
|
|
| 6 | 36 |
11.7%
|
|
| 7 | 38 |
12.4%
|
|
| 8 | 34 |
11.1%
|
|
| 9 | 31 |
10.1%
|
|
| 10 | Very effective | 35 |
11.4%
|
| 11 | 66 |
21.5%
|
|
| Sysmiss | 3 |