| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1055 |
23.5%
|
|
| 1 | 1444 |
32.2%
|
|
| 2 | 1566 |
34.9%
|
|
| 3 | 393 |
8.8%
|
|
| 4 | 31 |
0.7%
|
|
| Sysmiss | 92 |