Year current US$ 1995 1798000000 1996 1681000000 1997 1659000000 1998 1718000000 1999 1911000000 2000 1941000000 2001 1993000000 2002 1959000000 2003 2097000000 2004 2241000000 2005 2318000000 2006 2382000000 2007 2685000000 2008 2780000000 2009 2199000000 2010 2137000000 2011 2603000000 2012 2603000000 2013 2930000000 2014 2924000000 2015 2524000000 2016 2870000000 2017 3274000000 2018 3449000000 2019 3245000000 2020 663000000