<Tr> <Td> 1965--1970 </Td> <Td> 4.85 </Td> </Tr> <Tr> <Td> 1970--1975 </Td> <Td> 4.45 </Td> </Tr> <Tr> <Td> 1975--1980 </Td> <Td> 3.84 </Td> </Tr> <Tr> <Td> 1980--1985 </Td> <Td> 3.59 </Td> </Tr>

Where do the highest population growth rates tend to be