| Value | Category | Cases | |
|---|---|---|---|
| 0 | 176 |
9.1%
|
|
| 1 | 416 |
21.5%
|
|
| 2 | 563 |
29.1%
|
|
| 3 | 324 |
16.8%
|
|
| 4 | 197 |
10.2%
|
|
| 5 | 131 |
6.8%
|
|
| 6 | 48 |
2.5%
|
|
| 7 | 78 |
4%
|
|
| Sysmiss | 572 |