| Value | Category | Cases | |
|---|---|---|---|
| 0 | 93 |
2.8%
|
|
| 1 | 1242 |
37.8%
|
|
| 2 | 1223 |
37.2%
|
|
| 3 | 576 |
17.5%
|
|
| 4 | 156 |
4.7%
|
|
| Sysmiss | 37 |