| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3071 |
44.1%
|
|
| 1 | 1634 |
23.5%
|
|
| 2 | 1304 |
18.7%
|
|
| 3 | 671 |
9.6%
|
|
| 4 | 235 |
3.4%
|
|
| 5 | 43 |
0.6%
|
|
| 6 | 10 |
0.1%
|
|
| Sysmiss | 232 |