| Value | Category | Cases | |
|---|---|---|---|
| 0 | 495 |
78.7%
|
|
| 1 | 118 |
18.8%
|
|
| 2 | 15 |
2.4%
|
|
| 3 | 1 |
0.2%
|
|
| Sysmiss | 1526 |