| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
0.6%
|
|
| 1 | 555 |
89.1%
|
|
| 2 | 63 |
10.1%
|
|
| 3 | 1 |
0.2%
|
|
| Sysmiss | 210 |