<Tr> <Td> 1980 Moscow </Td> <Td_colspan="6"> Did not participate </Td> </Tr> <Tr> <Td> 1984 Los Angeles </Td> <Td> 522 </Td> <Td> 83 </Td> <Td> 61 </Td> <Td> 30 </Td> <Td> 174 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> 1988 Seoul </Td> <Td> 527 </Td> <Td> 36 </Td> <Td> 31 </Td> <Td> 27 </Td> <Td> 94 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> 1992 Barcelona </Td> <Td> 545 </Td> <Td> 37 </Td> <Td> 34 </Td> <Td> 37 </Td> <Td> 108 </Td> <Td> </Td> <Td> </Td> </Tr>

What has the us won in the olympics