| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1751 |
96.5%
|
| 2 | No | 50 |
2.8%
|
| 8 | 10 |
0.6%
|
|
| 9 | 4 |
0.2%
|
|
| Sysmiss | 2408 |