| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. 0 | 762 |
28.1%
|
| 1 | 1. 0 - 60 | 1030 |
38%
|
| 2 | 2. 61 - 180 | 509 |
18.8%
|
| 3 | 3. more than 180 | 410 |
15.1%
|
| Sysmiss | 1827 |