| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, for pay | 31 |
1.7%
|
| 2 | Yes, unpaid | 17 |
0.9%
|
| 3 | No | 1760 |
97.3%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 5167 |