| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 |
0.9%
|
|
| 1 | 1257 |
58.5%
|
|
| 2 | 750 |
34.9%
|
|
| 3 | 74 |
3.4%
|
|
| 4 | 46 |
2.1%
|
|
| Sysmiss | 16 |