<Tr> <Td> 44 </Td> <Td> Rep. Bill Foster </Td> <Td> Democratic </Td> <Td> Illinois </Td> <Td> 8.32 </Td> </Tr> <Tr> <Td> 45 </Td> <Td> Sen. Ron Wyden </Td> <Td> Democratic </Td> <Td> Oregon </Td> <Td> 8.24 </Td> </Tr> <Tr> <Td> 46 </Td> <Td> Sen. Rob Portman </Td> <Td> Republican </Td> <Td> Ohio </Td> <Td> 8.05 </Td> </Tr> <Tr> <Td> 47 </Td> <Td> Rep. Buddy Carter </Td> <Td> Republican </Td> <Td> Georgia </Td> <Td> 7.87 </Td> </Tr>

What is the average net worth of members of congress