<Tr> <Th_colspan="2"> Population (2006) </Th> </Tr> <Tr> <Th> Total </Th> <Td> 509,035 </Td> </Tr> <Tr> <Th> Density </Th> <Td> 280 / km (740 / sq mi) </Td> </Tr> <Tr> <Th> Climate </Th> <Td> Aw </Td> </Tr>

In what year can we date the ife civilisation back to