| Value | Category | Cases | |
|---|---|---|---|
| 0 | 610 |
27.4%
|
|
| 1 | 1521 |
68.3%
|
|
| 2 | 89 |
4%
|
|
| 3 | 4 |
0.2%
|
|
| 4 | 2 |
0.1%
|
|
| Sysmiss | 4 |