| Value | Category | Cases | |
|---|---|---|---|
| -99 | 14 |
2.9%
|
|
| 1 | Not effective at all | 6 |
1.2%
|
| 2 | 5 |
1%
|
|
| 3 | 16 |
3.3%
|
|
| 4 | 42 |
8.7%
|
|
| 5 | 62 |
12.8%
|
|
| 6 | 69 |
14.3%
|
|
| 7 | 51 |
10.5%
|
|
| 8 | 49 |
10.1%
|
|
| 9 | 23 |
4.8%
|
|
| 10 | Very effective | 16 |
3.3%
|
| 11 | 131 |
27.1%
|
|
| Sysmiss | 13 |