| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 814 |
98%
|
| 2 | No | 14 |
1.7%
|
| 8 | 2 |
0.2%
|
|
| 9 | 1 |
0.1%
|
|
| Sysmiss | 4419 |