| Value | Category | Cases | |
|---|---|---|---|
| 1 | 938 |
6.8%
|
|
| 2 | 4046 |
29.4%
|
|
| 3 | 6829 |
49.6%
|
|
| 4 | 1958 |
14.2%
|
|
| Sysmiss | 516 |