| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.3%
|
|
| 1 | Yes | 257 |
32.4%
|
| 2 | No | 533 |
67.2%
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 28 |