| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 3641 |
76.2%
|
| 1 | yes | 1132 |
23.7%
|
| 2 | 2 |
0%
|
|
| 4 | 1 |
0%
|
|
| 6 | 2 |
0%
|
|
| Sysmiss | 677 |