| Value | Category | Cases | |
|---|---|---|---|
| -99 | 14 |
7.4%
|
|
| 1 | Not effective at all | 7 |
3.7%
|
| 2 | 4 |
2.1%
|
|
| 3 | 7 |
3.7%
|
|
| 4 | 14 |
7.4%
|
|
| 5 | 8 |
4.2%
|
|
| 6 | 29 |
15.3%
|
|
| 7 | 25 |
13.2%
|
|
| 8 | 19 |
10%
|
|
| 9 | 9 |
4.7%
|
|
| 10 | Very effective | 2 |
1.1%
|
| 11 | 52 |
27.4%
|
|
| Sysmiss | 13 |