| Value | Category | Cases | |
|---|---|---|---|
| 0 | 570 |
28.8%
|
|
| 1 | 1115 |
56.3%
|
|
| 2 | 248 |
12.5%
|
|
| 3 | 43 |
2.2%
|
|
| 4 | 6 |
0.3%
|
|
| Sysmiss | 18 |