| Value | Category | Cases | |
|---|---|---|---|
| 0 | 504 |
79%
|
|
| 1 | 77 |
12.1%
|
|
| 2 | 40 |
6.3%
|
|
| 3 | 12 |
1.9%
|
|
| 4 | 5 |
0.8%
|
|
| Sysmiss | 2 |