| Value | Category | Cases | |
|---|---|---|---|
| 1 | 15 |
0.5%
|
|
| 2 | 20 |
0.7%
|
|
| 3 | 475 |
16.9%
|
|
| 4 | 2305 |
81.9%
|
|
| Sysmiss | 1723 |