| Value | Category | Cases | |
|---|---|---|---|
| 0 | 492 |
84.2%
|
|
| 1 | 85 |
14.6%
|
|
| 2 | 4 |
0.7%
|
|
| 3 | 2 |
0.3%
|
|
| 6 | 1 |
0.2%
|
|
| Sysmiss | 517 |