<Tr> <Td> 38 </Td> <Td> Af: DR Congo </Td> <Td> 261000 </Td> <Td> 2008 est . </Td> </Tr> <Tr> <Td> 39 </Td> <Td> Af: Gabon </Td> <Td> 243900 </Td> <Td> 2007 est . </Td> <Td> </Td> </Tr> <Tr> <Td> 40 </Td> <Td> Af: Sth Africa </Td> <Td> 199100 </Td> <Td> 2007 est . </Td> <Td> </Td> </Tr> <Tr> <Td> 45 </Td> <Td> Af: Chad </Td> <Td> 156000 </Td> <Td> 2008 est . </Td> <Td> Germany </Td> </Tr>

Where are most of sub-saharan africa's oil reserves located