| Value | Category | Cases | |
|---|---|---|---|
| 0 | 592 |
93.4%
|
|
| 1 | 33 |
5.2%
|
|
| 2 | 8 |
1.3%
|
|
| 4 | 1 |
0.2%
|
|
| Sysmiss | 1317 |