| Value | Category | Cases | |
|---|---|---|---|
| 0 | 554 |
70.1%
|
|
| 1 | 124 |
15.7%
|
|
| 2 | 20 |
2.5%
|
|
| 3 | 92 |
11.6%
|
|
| Sysmiss | 905 |