| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always available | 78 |
81.3%
|
| 2 | Mostly available | 14 |
14.6%
|
| 3 | Sometimes available | 4 |
4.2%
|
| 4 | Rarely available | 0 |
0%
|
| Sysmiss | 2300 |