| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 4 |
1.3%
|
| 2 | 7 |
2.2%
|
|
| 3 | 5 |
1.6%
|
|
| 4 | 20 |
6.4%
|
|
| 5 | 57 |
18.2%
|
|
| 6 | 55 |
17.5%
|
|
| 7 | 52 |
16.6%
|
|
| 8 | 65 |
20.7%
|
|
| 9 | 31 |
9.9%
|
|
| 10 | Very effective | 18 |
5.7%
|
| -99 | 51 | ||
| 11 | N/A | 166 | |
| Sysmiss | 126 |