| Value | Category | Cases | |
|---|---|---|---|
| 0 | 462 |
4.5%
|
|
| 1 | Available | 6340 |
61.8%
|
| 2 | Not Available | 3444 |
33.6%
|
| 9 | 12 |
0.1%
|
|
| Sysmiss | 2 |