| Value | Category | Cases | |
|---|---|---|---|
| 1 | 936 |
6.6%
|
|
| 2 | 3878 |
27.2%
|
|
| 3 | 6814 |
47.8%
|
|
| 4 | 2638 |
18.5%
|
|
| Sysmiss | 2174 |