| Value | Category | Cases | |
|---|---|---|---|
| -99 | 17 |
2.3%
|
|
| 1 | Not effective at all | 56 |
7.7%
|
| 2 | 44 |
6.1%
|
|
| 3 | 50 |
6.9%
|
|
| 4 | 89 |
12.3%
|
|
| 5 | 111 |
15.3%
|
|
| 6 | 78 |
10.7%
|
|
| 7 | 84 |
11.6%
|
|
| 8 | 41 |
5.6%
|
|
| 9 | 35 |
4.8%
|
|
| 10 | Very effective | 25 |
3.4%
|
| 11 | 96 |
13.2%
|
|
| Sysmiss | 25 |