| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, for pay | 225 |
1%
|
| 2 | Yes, unpaid | 525 |
2.4%
|
| 3 | No | 20857 |
94.4%
|
| 9 | Missing | 485 |
2.2%
|
| Sysmiss | 59418 |