| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
0.9%
|
|
| 1 | 3 |
0.7%
|
|
| 2 | 435 |
98.2%
|
|
| 3 | 1 |
0.2%
|
|
| Sysmiss | 1508 |