| Value | Category | Cases | |
|---|---|---|---|
| 1 | inheritance | 0 |
0%
|
| 2 | gift/excahnge | 1 |
50%
|
| 3 | sales receipt | 0 |
0%
|
| 4 | survey plan | 0 |
0%
|
| 5 | Government allowance | 0 |
0%
|
| 6 | tax receipt | 1 |
50%
|
| 7 | utility bill | 0 |
0%
|
| 96 | other | 0 |
0%
|
| Sysmiss | 4085 |