| Value | Category | Cases | |
|---|---|---|---|
| 0 | 461 |
4.5%
|
|
| 1 | Available | 5023 |
49%
|
| 2 | Not Available | 4761 |
46.4%
|
| 9 | 13 |
0.1%
|
|
| Sysmiss | 2 |