| Value | Category | Cases | |
|---|---|---|---|
| -99 | 15 |
3.1%
|
|
| 1 | Not effective at all | 11 |
2.3%
|
| 2 | 12 |
2.5%
|
|
| 3 | 17 |
3.5%
|
|
| 4 | 35 |
7.3%
|
|
| 5 | 62 |
12.9%
|
|
| 6 | 73 |
15.2%
|
|
| 7 | 71 |
14.8%
|
|
| 8 | 37 |
7.7%
|
|
| 9 | 17 |
3.5%
|
|
| 10 | Very effective | 13 |
2.7%
|
| 11 | 117 |
24.4%
|
|
| Sysmiss | 17 |