| Value | Category | Cases | |
|---|---|---|---|
| -99 | 18 |
2.5%
|
|
| 1 | Not effective at all | 27 |
3.7%
|
| 2 | 26 |
3.6%
|
|
| 3 | 44 |
6.1%
|
|
| 4 | 68 |
9.4%
|
|
| 5 | 107 |
14.8%
|
|
| 6 | 101 |
14%
|
|
| 7 | 87 |
12.1%
|
|
| 8 | 74 |
10.3%
|
|
| 9 | 40 |
5.5%
|
|
| 10 | Very effective | 49 |
6.8%
|
| 11 | 80 |
11.1%
|
|
| Sysmiss | 30 |