| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult to verify | 5 |
0.8%
|
| 2 | Somewhat difficult to verify | 28 |
4.3%
|
| 3 | Neither difficult nor easy | 41 |
6.3%
|
| 4 | Somewhat easy to verify | 259 |
40%
|
| 5 | Very easy to verify | 315 |
48.6%
|
| Sysmiss | 105 |