| Value | Category | Cases | |
|---|---|---|---|
| 1 | Fee per area | 13722 |
8.5%
|
| 2 | Fee per unit time | 40542 |
25.2%
|
| 3 | Other term | 3227 |
2%
|
| 4 | Didn't pay | 103255 |
64.2%
|
| Sysmiss | 263946 |