| Value | Category | Cases | |
|---|---|---|---|
| -999999999 | missing | 0 |
0%
|
| 1 | Hold a license | 23 |
21.9%
|
| 2 | Contracted by a license holder | 22 |
21%
|
| 3 | Free access | 60 |
57.1%
|
| Sysmiss | 259 |