| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. 0 | 1454 |
33.3%
|
| 1 | 1. 1-60 | 993 |
22.8%
|
| 2 | 2. 61-180 | 602 |
13.8%
|
| 3 | 3. more than 180 | 371 |
8.5%
|
| 77 | 77. d/r | 0 |
0%
|
| 99 | 99. missing | 941 |
21.6%
|
| Sysmiss | 177 |