| Value | Category | Cases | |
|---|---|---|---|
| 0 | NR | 572 |
2.4%
|
| 1 | yes;free | 4261 |
17.6%
|
| 2 | partly free | 369 |
1.5%
|
| 3 | on payment | 4601 |
19%
|
| 4 | not taken/required | 14449 |
59.6%
|