| Value | Category | Cases | |
|---|---|---|---|
| -99 | 19 |
2.6%
|
|
| 1 | Not effective at all | 26 |
3.6%
|
| 2 | 35 |
4.8%
|
|
| 3 | 40 |
5.5%
|
|
| 4 | 62 |
8.5%
|
|
| 5 | 99 |
13.6%
|
|
| 6 | 120 |
16.4%
|
|
| 7 | 81 |
11.1%
|
|
| 8 | 52 |
7.1%
|
|
| 9 | 30 |
4.1%
|
|
| 10 | Very effective | 39 |
5.3%
|
| 11 | 127 |
17.4%
|
|
| Sysmiss | 21 |