| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
0.5%
|
|
| 1 | Yes | 575 |
73.6%
|
| 2 | No | 201 |
25.7%
|
| 4 | 1 |
0.1%
|
|
| Sysmiss | 40 |