| Value | Category | Cases | |
|---|---|---|---|
| -79 | Refused to answer | 0 |
0%
|
| 1 | Inherited | 312 |
13.7%
|
| 2 | Free of charge | 683 |
30%
|
| 3 | Purchased | 1280 |
56.3%
|
| Sysmiss | 12 |