| Value | Category | Cases | |
|---|---|---|---|
| 0 | 538 |
81.6%
|
|
| 1 | 53 |
8%
|
|
| 2 | 51 |
7.7%
|
|
| 3 | 17 |
2.6%
|
|
| Sysmiss | 9 |