| Value | Category | Cases | |
|---|---|---|---|
| -99 | 7 |
3%
|
|
| 1 | Not effective at all | 7 |
3%
|
| 2 | 3 |
1.3%
|
|
| 3 | 3 |
1.3%
|
|
| 4 | 6 |
2.5%
|
|
| 5 | 12 |
5.1%
|
|
| 6 | 21 |
8.9%
|
|
| 7 | 25 |
10.5%
|
|
| 8 | 17 |
7.2%
|
|
| 9 | 11 |
4.6%
|
|
| 10 | Very effective | 8 |
3.4%
|
| 11 | 117 |
49.4%
|
|
| Sysmiss | 23 |