| Value | Category | Cases | |
|---|---|---|---|
| 1 | 488 |
72.4%
|
|
| 2 | 14 |
2.1%
|
|
| 3 | 30 |
4.5%
|
|
| 4 | 142 |
21.1%
|
|
| Sysmiss | 1129 |