| Value | Category | Cases | |
|---|---|---|---|
| -99 | 22 |
3%
|
|
| 1 | Not effective at all | 31 |
4.2%
|
| 2 | 33 |
4.5%
|
|
| 3 | 43 |
5.9%
|
|
| 4 | 70 |
9.6%
|
|
| 5 | 96 |
13.2%
|
|
| 6 | 111 |
15.2%
|
|
| 7 | 85 |
11.6%
|
|
| 8 | 51 |
7%
|
|
| 9 | 30 |
4.1%
|
|
| 10 | Very effective | 35 |
4.8%
|
| 11 | 123 |
16.8%
|
|
| Sysmiss | 21 |