| Value | Category | Cases | |
|---|---|---|---|
| 1 | 7 |
0.3%
|
|
| 2 | 16 |
0.7%
|
|
| 3 | 500 |
23.2%
|
|
| 4 | 1630 |
75.7%
|
|
| Sysmiss | 10 |