| Value | Category | Cases | |
|---|---|---|---|
| -99 | 18 |
2.4%
|
|
| 1 | Not effective at all | 26 |
3.5%
|
| 2 | 47 |
6.4%
|
|
| 3 | 48 |
6.5%
|
|
| 4 | 63 |
8.6%
|
|
| 5 | 93 |
12.6%
|
|
| 6 | 109 |
14.8%
|
|
| 7 | 74 |
10.1%
|
|
| 8 | 66 |
9%
|
|
| 9 | 34 |
4.6%
|
|
| 10 | Very effective | 39 |
5.3%
|
| 11 | 119 |
16.2%
|
|
| Sysmiss | 15 |