<Tr> <Td> AGB Fisher Colin Clark Jean Fourastié </Td> </Tr> <Tr> <Th> Sectors by ownership </Th> </Tr> <Tr> <Td> Business sector Private sector Public sector Voluntary sector </Td> </Tr> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr>

When does a country hit the quinary sector