| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not available | 2 |
0.6%
|
| 1 | Not functioning | 4 |
1.3%
|
| 2 | Yes (Not Observed) | 1 |
0.3%
|
| 3 | Yes (Observed) | 310 |
97.8%
|
| Sysmiss | 231 |