| Value | Category | Cases | |
|---|---|---|---|
| 0 | 468 |
37.4%
|
|
| 1 | 272 |
21.7%
|
|
| 2 | 189 |
15.1%
|
|
| 3 | 157 |
12.5%
|
|
| 4 | 98 |
7.8%
|
|
| 5 | 43 |
3.4%
|
|
| 6 | 24 |
1.9%
|
|
| Sysmiss | 180 |