| Value | Category | Cases | |
|---|---|---|---|
| -99 | 10 |
2%
|
|
| 1 | Not effective at all | 3 |
0.6%
|
| 2 | 9 |
1.8%
|
|
| 3 | 22 |
4.5%
|
|
| 4 | 36 |
7.4%
|
|
| 5 | 63 |
12.9%
|
|
| 6 | 67 |
13.7%
|
|
| 7 | 74 |
15.1%
|
|
| 8 | 48 |
9.8%
|
|
| 9 | 26 |
5.3%
|
|
| 10 | Very effective | 20 |
4.1%
|
| 11 | 111 |
22.7%
|
|
| Sysmiss | 8 |