| Value | Category | Cases | |
|---|---|---|---|
| 0 | 666 |
84.3%
|
|
| 1 | 81 |
10.3%
|
|
| 2 | 20 |
2.5%
|
|
| 3 | 23 |
2.9%
|
|
| Sysmiss | 905 |