| Value | Category | Cases | |
|---|---|---|---|
| 1 | 447 |
2.9%
|
|
| 2 | 2350 |
15.3%
|
|
| 3 | 8509 |
55.4%
|
|
| 4 | 4051 |
26.4%
|
|
| Sysmiss | 1213 |