| Value | Category | Cases | |
|---|---|---|---|
| 1 | 909 |
7.2%
|
|
| 2 | 3534 |
27.9%
|
|
| 3 | 6304 |
49.7%
|
|
| 4 | 1940 |
15.3%
|
|
| Sysmiss | 3883 |