| Value | Category | Cases | |
|---|---|---|---|
| 0 | 508 |
80.9%
|
|
| 1 | 1 |
0.2%
|
|
| 2 | 36 |
5.7%
|
|
| 3 | 83 |
13.2%
|
|
| Sysmiss | 2319 |