| Value | Category | Cases | |
|---|---|---|---|
| 1 | 31 |
0.8%
|
|
| 2 | 181 |
4.7%
|
|
| 3 | 506 |
13.1%
|
|
| 4 | 3144 |
81.1%
|
|
| 4.5 | 13 |
0.3%
|
|
| Sysmiss | 6903 |