<Tr> <Td> 2016 Rio de Janeiro </Td> <Td> 554 </Td> <Td> 46 </Td> <Td> 37 </Td> <Td> 38 </Td> <Td> 121 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> 2020 Tokyo </Td> <Td_colspan="8;"> Future event </Td> </Tr> <Tr> <Td> 2024 Paris </Td> <Td_colspan="8;"> Future event </Td> </Tr> <Tr> <Td> 2028 Los Angeles </Td> <Td_colspan="8;"> Future event </Td> </Tr>

Who has won olympic medals for the united states