<Tr> <Td> Mexico </Td> <Td> 1 (2012) </Td> <Td> </Td> <Td> </Td> <Td> 1 (1968) </Td> <Td> </Td> </Tr> <Tr> <Td> Cameroon </Td> <Td> 1 (2000) </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Canada </Td> <Td> 1 (1904) </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Denmark </Td> <Td> </Td> <Td> 3 (1908, 1912, 1960) </Td> <Td> 1 (1948) </Td> <Td> </Td> <Td> </Td> </Tr>

When was the game of football included in olympics