| Value | Category | Cases | |
|---|---|---|---|
| 0 | 570 |
63%
|
|
| 1 | 283 |
31.3%
|
|
| 2 | 39 |
4.3%
|
|
| 3 | 10 |
1.1%
|
|
| 4 | 3 |
0.3%
|
|
| Sysmiss | 17 |