Year current US$ 1995 131000000 1996 142000000 1997 174000000 1998 189000000 1999 209000000 2000 218000000 2001 228000000 2002 200000000 2003 206000000 2004 209000000 2005 218000000 2006 249000000 2007 275000000 2008 310000000 2009 316000000 2010 372000000 2011 412000000 2012 461000000 2013 513000000 2014 529000000 2015 660000000 2016 658000000 2017 702000000 2018 749000000 2019 852799987.792969 2020 205000000