| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
0.1%
|
|
| 1 | 67 |
3.3%
|
|
| 2 | 185 |
9.1%
|
|
| 3 | 442 |
21.8%
|
|
| 4 | 483 |
23.9%
|
|
| 5 | 330 |
16.3%
|
|
| 6 | 95 |
4.7%
|
|
| 7 | 419 |
20.7%
|
|
| Sysmiss | 538 |