| Value | Category | Cases | |
|---|---|---|---|
| 1 | inheritance | 161 |
17.3%
|
| 2 | gift/excahnge | 119 |
12.8%
|
| 3 | sales receipt | 335 |
36%
|
| 4 | survey plan | 2 |
0.2%
|
| 5 | Government allowance | 3 |
0.3%
|
| 6 | tax receipt | 2 |
0.2%
|
| 7 | utility bill | 0 |
0%
|
| 96 | other | 308 |
33.1%
|
| Sysmiss | 3157 |