| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3790 |
73%
|
|
| 2 | 1236 |
23.8%
|
|
| 3 | 114 |
2.2%
|
|
| 4 | 49 |
0.9%
|
|
| Sysmiss | 19981 |