| Value | Category | Cases | |
|---|---|---|---|
| 0 | 542 |
3.8%
|
|
| 1 | 684 |
4.8%
|
|
| 2 | 1058 |
7.4%
|
|
| 3 | 1576 |
11%
|
|
| 4 | 2220 |
15.6%
|
|
| 5 | 3067 |
21.5%
|
|
| 6 | 2866 |
20.1%
|
|
| 7 | 2255 |
15.8%
|
|
| Sysmiss | 19 |