| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not available | 133 |
6.7%
|
| 1 | Not functioning | 35 |
1.8%
|
| 2 | Yes (Not Observed) | 12 |
0.6%
|
| 3 | Yes (Observed) | 1801 |
90.9%
|
| Sysmiss | 1117 |