| Value | Category | Cases | |
|---|---|---|---|
| 0 | 800 |
90.4%
|
|
| 1 | 40 |
4.5%
|
|
| 2 | 24 |
2.7%
|
|
| 3 | 21 |
2.4%
|
|
| Sysmiss | 1 |