| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1388 |
9.7%
|
|
| 2 | 4037 |
28.3%
|
|
| 3 | 6510 |
45.6%
|
|
| 4 | 2330 |
16.3%
|
|
| Sysmiss | 2175 |