| Value | Category | Cases | |
|---|---|---|---|
| 0 | 653 |
93.4%
|
|
| 1 | 39 |
5.6%
|
|
| 2 | 6 |
0.9%
|
|
| 3 | 1 |
0.1%
|
|
| Sysmiss | 871 |