| Value | Category | Cases | |
|---|---|---|---|
| 1 | First | 37 |
6.6%
|
| 2 | Second | 429 |
76.5%
|
| 3 | Third | 83 |
14.8%
|
| 4 | Fourth | 12 |
2.1%
|
| Sysmiss | 2174 |