<Li> ^ Jump up to: One petroleum barrel (bbl) is approximately 42 U.S. gallons, or 159 liters, or 0.159 m, varying slightly with temperature . To put the production numbers in context, a supertanker typically holds 2,000,000 barrels (320,000 m), and the world's current production rate would take approximately 56 years to exhaust the world's current proven reserves . </Li> <Li> ^ Jump up to: The five founding members attended the first OPEC conference in September 1960 . </Li> <Li> Jump up ^ The UAE was founded in December 1971 . Its OPEC membership originated with the Emirate of Abu Dhabi . </Li> <Table> <Tr> <Th> Country </Th> <Th> Region </Th> <Th> Membership Years </Th> <Th> Population (2016 est .) </Th> <Th> Area (km) </Th> <Th> Oil Production (bbl / day, 2016) </Th> <Th> Proven Reserves (bbl, 2016) </Th> </Tr> <Tr> <Td> Indonesia </Td> <Td> Southeast Asia </Td> <Td> 1962--2008, Jan - Nov 2016 </Td> <Td> 261,115,456 </Td> <Td> 1,904,569 </Td> <Td> 833,667 </Td> <Td> 3,692,500,000 </Td> </Tr> </Table>

Which of the following countries was the founding member of opec