| Value | Category | Cases | |
|---|---|---|---|
| -99 | 22 |
3.1%
|
|
| 1 | Not effective at all | 29 |
4%
|
| 2 | 31 |
4.3%
|
|
| 3 | 52 |
7.2%
|
|
| 4 | 66 |
9.2%
|
|
| 5 | 101 |
14%
|
|
| 6 | 89 |
12.3%
|
|
| 7 | 79 |
11%
|
|
| 8 | 79 |
11%
|
|
| 9 | 35 |
4.9%
|
|
| 10 | Very effective | 40 |
5.5%
|
| 11 | 98 |
13.6%
|
|
| Sysmiss | 30 |