| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't Know (spontaneous) | 2 |
0.6%
|
| -8 | Refusal (spontaneous) | 1 |
0.3%
|
| -7 | Does Not Apply (spontaneous) | 0 |
0%
|
| -6 | Does not exist | 0 |
0%
|
| 1 | Very effective | 78 |
24.7%
|
| 2 | Somewhat effective | 128 |
40.5%
|
| 3 | A little effective | 81 |
25.6%
|
| 4 | Not at all effective | 26 |
8.2%
|
| Sysmiss | 41 |