| Value | Category | Cases | |
|---|---|---|---|
| 0 | 878 |
64%
|
|
| 1 | 416 |
30.3%
|
|
| 2 | 68 |
5%
|
|
| 3 | 5 |
0.4%
|
|
| 4 | 4 |
0.3%
|
|
| 5 | 1 |
0.1%
|
|
| Sysmiss | 4 |