| Value | Category | Cases | |
|---|---|---|---|
| 0 | 615 |
16.8%
|
|
| 1 | 1120 |
30.6%
|
|
| 2 | 1809 |
49.4%
|
|
| 3 | 80 |
2.2%
|
|
| 4 | 16 |
0.4%
|
|
| 5 | 12 |
0.3%
|
|
| 6 | 7 |
0.2%
|
|
| Sysmiss | 23 |