| Value | Category | Cases | |
|---|---|---|---|
| 1 | 236 |
1.5%
|
|
| 2 | 1086 |
6.8%
|
|
| 3 | 7418 |
46.5%
|
|
| 4 | 7197 |
45.2%
|
|
| Sysmiss | 503 |