| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 171 |
5.5%
|
| 2 | No | 2937 |
94%
|
| 8 | 13 |
0.4%
|
|
| 9 | 3 |
0.1%
|
|
| Sysmiss | 3 |