| Value | Category | Cases | |
|---|---|---|---|
| 0 | NR | 109 |
0.2%
|
| 1 | yes | 3371 |
5.8%
|
| 2 | no | 54656 |
93.9%
|
| 9 | Invalid | 40 |
0.1%
|
| Sysmiss | 191 |