| Value | Category | Cases | |
|---|---|---|---|
| 0 | 63 |
4.5%
|
|
| 1 | 46 |
3.3%
|
|
| 2 | 72 |
5.2%
|
|
| 3 | 300 |
21.5%
|
|
| 4 | 915 |
65.5%
|
|
| Sysmiss | 174 |