Year current US$ 2005 810000.002384186 2006 59999.9986588955 2007 740000.009536743 2008 860000.014305115 2009 1080000.04291534 2010 4380000.11444092 2011 4500000 2012 2339999.91416931 2013 4300000.19073486 2014 -150000.005960464 2015 -189999.99761581398 2016 -430000.00715255697 2017 109999.999403954 2018 2839999.91416931 2019 479999.989271164 2020 649999.976158142 2021 11289999.961853001 2022 150000.005960464