| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. 0 | 1491 |
34.2%
|
| 1 | 1. 1-60 | 1480 |
33.9%
|
| 2 | 2. 61-180 | 385 |
8.8%
|
| 3 | 3. more than 180 | 99 |
2.3%
|
| 77 | 77. d/r | 0 |
0%
|
| 99 | 99. missing | 906 |
20.8%
|
| Sysmiss | 177 |