| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.1%
|
|
| 1 | 21 |
1.8%
|
|
| 2 | 97 |
8.4%
|
|
| 3 | 325 |
28.1%
|
|
| 4 | 459 |
39.7%
|
|
| 5 | 214 |
18.5%
|
|
| 6 | 39 |
3.4%
|
|
| Sysmiss | 425 |