| Value | Category | Cases | |
|---|---|---|---|
| 1 | Totally reliable | 234 |
23.3%
|
| 2 | Mostly unreliable | 99 |
9.8%
|
| 3 | Sometimes reliable | 325 |
32.3%
|
| 4 | Usually reliable | 334 |
33.2%
|
| 5 | Very reliable | 14 |
1.4%
|
| Sysmiss | 1907 |