| Value | Category | Cases | |
|---|---|---|---|
| -99 | 6 |
2.5%
|
|
| 1 | Not effective at all | 7 |
3%
|
| 2 | 3 |
1.3%
|
|
| 3 | 3 |
1.3%
|
|
| 4 | 7 |
3%
|
|
| 5 | 14 |
5.9%
|
|
| 6 | 18 |
7.6%
|
|
| 7 | 26 |
11%
|
|
| 8 | 16 |
6.8%
|
|
| 9 | 14 |
5.9%
|
|
| 10 | Very effective | 10 |
4.2%
|
| 11 | 113 |
47.7%
|
|
| Sysmiss | 23 |