| Value | Category | Cases | |
|---|---|---|---|
| 0 | 561 |
89.3%
|
|
| 1 | 4 |
0.6%
|
|
| 2 | 31 |
4.9%
|
|
| 3 | 32 |
5.1%
|
|
| Sysmiss | 2319 |