| Value | Category | Cases | |
|---|---|---|---|
| 1 | 309 |
1.5%
|
|
| 2 | 353 |
1.7%
|
|
| 3 | 503 |
2.5%
|
|
| 4 | 19296 |
94.3%
|
|
| Sysmiss | 146 |