| Value | Category | Cases | |
|---|---|---|---|
| -99 | 7 |
3%
|
|
| 1 | Not effective at all | 4 |
1.7%
|
| 2 | 3 |
1.3%
|
|
| 3 | 3 |
1.3%
|
|
| 4 | 3 |
1.3%
|
|
| 5 | 15 |
6.3%
|
|
| 6 | 9 |
3.8%
|
|
| 7 | 15 |
6.3%
|
|
| 8 | 26 |
11%
|
|
| 9 | 10 |
4.2%
|
|
| 10 | Very effective | 8 |
3.4%
|
| 11 | 134 |
56.5%
|
|
| Sysmiss | 23 |