| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | Public | 22 |
44.9%
|
| 2 | Private | 23 |
46.9%
|
| 3 | Both public and private | 4 |
8.2%
|
| Sysmiss | 466 |