| Value | Category | Cases | |
|---|---|---|---|
| 501 | 656 |
40.1%
|
|
| 502 | 488 |
29.9%
|
|
| 503 | 297 |
18.2%
|
|
| 504 | 177 |
10.8%
|
|
| 505 | 8 |
0.5%
|
|
| 506 | 6 |
0.4%
|
|
| 507 | 1 |
0.1%
|
|
| 508 | 1 |
0.1%
|
|
| Sysmiss | 944 |