At end 1993 At end 2003 At end 2012 At end 2013 Thousand million barrels Thousand million barrels Thousand million barrels Thousand million tonnes Thousand million barrels Share of total R/P ratio
At end 1993 At end 2003 At end 2012 At end 2013ThousandmillionbarrelsThousandmillionbarrelsThousandmillionbarrelsThousandmilliontonnesThousandmillionbarrelsShareof totalR/Pratio