<Tr> <Td> Hawaii </Td> <Td> Hula </Td> <Td> 1999 </Td> </Tr> <Tr> <Td> Idaho </Td> <Td> Square dance </Td> <Td> </Td> </Tr> <Tr> <Td> Illinois </Td> <Td> Square dance </Td> <Td> 1990 </Td> </Tr> <Tr> <Td> Kentucky </Td> <Td> Clogging </Td> <Td> 2006 </Td> </Tr>

What is the most popular official state dance in the united states