| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
0.8%
|
|
| 1 | 36 |
3.8%
|
|
| 2 | 191 |
20%
|
|
| 3 | 265 |
27.8%
|
|
| 4 | 310 |
32.5%
|
|
| 5 | 144 |
15.1%
|
|
| Sysmiss | 4440 |