Year current US$ 2002 1000000 2003 239999.994635582 2004 1980000.01907349 2005 5550000.19073486 2006 6579999.92370605 2007 8989999.77111816 2008 14180000.3051758 2009 11640000.3433228 2010 14010000.2288818 2011 2099999.90463257 2012 2349999.90463257 2013 230000.004172325 2014 50000.0007450581 2015 670000.016689301 2016 810000.002384186 2017 1940000.0572204601 2018 970000.028610229 2019 1639999.98569489 2020 1049999.95231628 2021 490000.009536743