| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2552 |
70.1%
|
|
| 1 | 866 |
23.8%
|
|
| 2 | 211 |
5.8%
|
|
| 3 | 12 |
0.3%
|
|
| 4 | 2 |
0.1%
|
|
| Sysmiss | 4 |