| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1 |
0.1%
|
| 2 | No | 978 |
99.5%
|
| 95 | NA/Missing | 0 |
0%
|
| 97 | Refuse | 4 |
0.4%
|
| Sysmiss | 228 |