| Value | Category | Cases | |
|---|---|---|---|
| -99 | 7 |
1.4%
|
|
| 1 | Not effective at all | 7 |
1.4%
|
| 2 | 17 |
3.5%
|
|
| 3 | 16 |
3.3%
|
|
| 4 | 34 |
7%
|
|
| 5 | 67 |
13.8%
|
|
| 6 | 69 |
14.2%
|
|
| 7 | 66 |
13.6%
|
|
| 8 | 49 |
10.1%
|
|
| 9 | 13 |
2.7%
|
|
| 10 | Very effective | 12 |
2.5%
|
| 11 | 130 |
26.7%
|
|
| Sysmiss | 10 |