| Value | Category | Cases | |
|---|---|---|---|
| 0 | 671 |
96.3%
|
|
| 1 | 6 |
0.9%
|
|
| 3 | 4 |
0.6%
|
|
| 4 | 16 |
2.3%
|
|
| Sysmiss | 1 |