| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes (Always) | 15107 |
76.1%
|
| 2 | Mostly (unavailable less than 30 days total) | 3716 |
18.7%
|
| 3 | No (unavailable more than 30 days total) | 614 |
3.1%
|
| Sysmiss | 409 |