| Value | Category | Cases | |
|---|---|---|---|
| 0 | NR | 2744 |
6.6%
|
| 1 | yes;free | 7498 |
18%
|
| 2 | partly free | 1817 |
4.4%
|
| 3 | on payment | 27335 |
65.6%
|
| 4 | not taken/required | 2301 |
5.5%
|
| 9 | Invalid | 4 |
0%
|
| Sysmiss | 7702 |