Year current US$ 1995 3000000 2000 15900000 2001 28400000 2003 1200000000 2005 7000000 2006 9900000 2010 6000000 2012 5648610000 2013 3941690000 2014 87000000 2015 4035440000 2016 779400000 2018 4313240000 2021 826300000 2022 1843030000