| Value | Category | Cases | |
|---|---|---|---|
| 0 | 558 |
84.2%
|
|
| 1 | 75 |
11.3%
|
|
| 2 | 26 |
3.9%
|
|
| 3 | 3 |
0.5%
|
|
| 4 | 1 |
0.2%
|
|
| Sysmiss | 1 |