| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
1.3%
|
| 2 | 7 |
3%
|
|
| 3 | 13 |
5.5%
|
|
| 4 | 18 |
7.6%
|
|
| 5 | 45 |
19%
|
|
| 6 | 33 |
13.9%
|
|
| 7 | 46 |
19.4%
|
|
| 8 | 32 |
13.5%
|
|
| 9 | 24 |
10.1%
|
|
| 10 | Very effective | 16 |
6.8%
|
| -99 | 75 | ||
| 11 | N/A | 193 | |
| Sysmiss | 152 |