| Value | Category | Cases | |
|---|---|---|---|
| 1 | Purchased | 3940 |
99.9%
|
| 2 | Payment for services | 1 |
0%
|
| 3 | Received as a gift | 4 |
0.1%
|
| 4 | Other (specify) | 0 |
0%
|
| Sysmiss | 30864 |