| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. 0 | 399 |
14.2%
|
| 1 | 1. 0 - 60 | 849 |
30.2%
|
| 2 | 2. 61 - 180 | 720 |
25.6%
|
| 3 | 3. more than 180 | 841 |
29.9%
|
| Sysmiss | 1729 |