| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
0.2%
|
|
| 1 | 100 |
4.7%
|
|
| 2 | 300 |
14.1%
|
|
| 3 | 430 |
20.2%
|
|
| 4 | 459 |
21.5%
|
|
| 5 | 496 |
23.3%
|
|
| 6 | 114 |
5.3%
|
|
| 7 | 229 |
10.7%
|
|
| Sysmiss | 68 |