<Tr> <Td> 1871 </Td> <Td> $7,500 </Td> <Td> per annum </Td> <Td> </Td> <Td> $146,107 </Td> </Tr> <Tr> <Td> 1874 </Td> <Td> $5,000 </Td> <Td> per annum </Td> <Td> </Td> <Td> $103,183 </Td> </Tr> <Tr> <Td> 1907 </Td> <Td> $7,500 </Td> <Td> per annum </Td> <Td> </Td> <Td> $187,663 </Td> </Tr> <Tr> <Td> 1925 </Td> <Td> $10,000 </Td> <Td> per annum </Td> <Td> </Td> <Td> $133,587 </Td> </Tr>

What are the salaries of members of congress