| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1580 |
71.5%
|
|
| 1 | 235 |
10.6%
|
|
| 2 | 181 |
8.2%
|
|
| 3 | 88 |
4%
|
|
| 4 | 126 |
5.7%
|
|
| Sysmiss | 18 |