| Value | Category | Cases | |
|---|---|---|---|
| 0 | 300 |
3.5%
|
|
| 1 | 131 |
1.5%
|
|
| 2 | 321 |
3.7%
|
|
| 3 | 594 |
6.9%
|
|
| 4 | 998 |
11.5%
|
|
| 5 | 1818 |
21%
|
|
| 6 | 1413 |
16.3%
|
|
| 7 | 3076 |
35.6%
|
|
| Sysmiss | 128 |