Year current US$ 1993 0 1994 0 1996 0 1997 0 1998 0 1999 0 2002 25453589.044499606 2003 138285906.97721362 2004 67343885.68690218 2005 -87127980.21807052 2006 708776490.2460271 2007 375106854.2189639 2008 1402522936.6662724 2009 19942475.16143919 2010 -32837999.63701933 2011 35716281.78070416 2012 -16979519.46283965 2013 -20550416.99293421 2014 29435716.647406094 2015 5423347079.571791 2016 528404748.032745 2017 654360617.2280425 2018 536071231.36547077 2019 0 2020 0 2021 0