| Value | Category | Cases | |
|---|---|---|---|
| 0 | NR | 478 |
1.1%
|
| 1 | yes;free | 1173 |
2.8%
|
| 2 | partly free | 120 |
0.3%
|
| 3 | on payment | 1942 |
4.7%
|
| 4 | not taken/required | 37993 |
91.1%
|
| Sysmiss | 7695 |