| Value | Category | Cases | |
|---|---|---|---|
| 0 | 396 |
50%
|
|
| 1 | 63 |
8%
|
|
| 2 | 102 |
12.9%
|
|
| 3 | 91 |
11.5%
|
|
| 4 | 47 |
5.9%
|
|
| 5 | 18 |
2.3%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 74 |
9.3%
|
|
| Sysmiss | 1030 |