| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3843 |
66.5%
|
|
| 1 | 1565 |
27.1%
|
|
| 2 | 346 |
6%
|
|
| 3 | 21 |
0.4%
|
|
| 4 | 3 |
0.1%
|
|
| Sysmiss | 1060 |