| Value | Category | Cases | |
|---|---|---|---|
| 0 | 877 |
93.1%
|
|
| 1 | 4 |
0.4%
|
|
| 2 | 26 |
2.8%
|
|
| 3 | 35 |
3.7%
|
|
| Sysmiss | 3 |