| Value | Category | Cases | |
|---|---|---|---|
| 0 | 152 |
4.6%
|
|
| 1 | 1104 |
33.4%
|
|
| 2 | 1304 |
39.4%
|
|
| 3 | 634 |
19.2%
|
|
| 4 | 115 |
3.5%
|
|
| Sysmiss | 18 |