| Value | Category | Cases | |
|---|---|---|---|
| -99 | 14 |
2.9%
|
|
| 1 | Not effective at all | 8 |
1.7%
|
| 2 | 12 |
2.5%
|
|
| 3 | 22 |
4.6%
|
|
| 4 | 28 |
5.8%
|
|
| 5 | 62 |
12.9%
|
|
| 6 | 71 |
14.8%
|
|
| 7 | 69 |
14.4%
|
|
| 8 | 44 |
9.2%
|
|
| 9 | 13 |
2.7%
|
|
| 10 | Very effective | 14 |
2.9%
|
| 11 | 123 |
25.6%
|
|
| Sysmiss | 17 |