| Value | Category | Cases | |
|---|---|---|---|
| 1 | Purchased one-time-payment | 1010 |
94.7%
|
| 2 | Purchased multiple-time-payment | 8 |
0.7%
|
| 3 | Received for free | 40 |
3.7%
|
| 4 | Self-built | 9 |
0.8%
|
| Sysmiss | 3011 |