| Value | Category | Cases | |
|---|---|---|---|
| 0 | 56 |
2.6%
|
|
| 1 | 103 |
4.8%
|
|
| 2 | 502 |
23.3%
|
|
| 3 | 218 |
10.1%
|
|
| 4 | 557 |
25.8%
|
|
| 5 | 480 |
22.2%
|
|
| 6 | 66 |
3.1%
|
|
| 7 | 177 |
8.2%
|
|
| Sysmiss | 4 |