| Value | Category | Cases | |
|---|---|---|---|
| -99 | 21 |
2.9%
|
|
| 1 | Not effective at all | 37 |
5.1%
|
| 2 | 31 |
4.3%
|
|
| 3 | 38 |
5.2%
|
|
| 4 | 76 |
10.5%
|
|
| 5 | 110 |
15.2%
|
|
| 6 | 105 |
14.5%
|
|
| 7 | 76 |
10.5%
|
|
| 8 | 65 |
9%
|
|
| 9 | 30 |
4.1%
|
|
| 10 | Very effective | 26 |
3.6%
|
| 11 | 111 |
15.3%
|
|
| Sysmiss | 25 |