| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. 0 | 903 |
34.7%
|
| 1 | 1. 0 - 60 | 713 |
27.4%
|
| 2 | 2. 61 - 180 | 648 |
24.9%
|
| 3 | 3. more than 180 | 340 |
13.1%
|
| Sysmiss | 1934 |