| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 497 |
98.8%
|
| 2 | No | 4 |
0.8%
|
| 8 | 1 |
0.2%
|
|
| 99 | 1 |
0.2%
|
|
| 0 | NR | 1589 | |
| 9 | NA | 3 | |
| Sysmiss | 905 |