| Value | Category | Cases | |
|---|---|---|---|
| 0 | NR | 502 |
1.2%
|
| 1 | yes;free | 478 |
1.1%
|
| 2 | partly free | 95 |
0.2%
|
| 3 | on payment | 1183 |
2.8%
|
| 4 | not taken/required | 39442 |
94.6%
|
| 9 | Invalid | 3 |
0%
|
| Sysmiss | 7698 |