| Value | Category | Cases | |
|---|---|---|---|
| 0 | 675 |
88.1%
|
|
| 1 | 66 |
8.6%
|
|
| 2 | 21 |
2.7%
|
|
| 3 | 3 |
0.4%
|
|
| 4 | 1 |
0.1%
|
|
| Sysmiss | 2 |