| Value | Category | Cases | |
|---|---|---|---|
| 1 | Highly reliable | 6142 |
26.3%
|
| 2 | Reliable | 12073 |
51.8%
|
| 3 | Low reliable | 4483 |
19.2%
|
| 4 | No reliability | 624 |
2.7%
|
| Sysmiss | 23877 |