| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2192 |
57.9%
|
|
| 1 | 1353 |
35.7%
|
|
| 2 | 150 |
4%
|
|
| 3 | 47 |
1.2%
|
|
| 4 | 5 |
0.1%
|
|
| 9 | 41 |
1.1%
|
|
| Sysmiss | 234 |