Year current US$ 1990 0 1991 0 1994 0 1996 0 2001 6933843.520290001 2002 10230585.993330156 2003 6187657.055240854 2004 6251804.686632362 2005 6795778.4985264335 2006 4628096.271695046 2007 8564625.453824317 2008 9855056.908987544 2009 9062956.89158655 2010 9621710.13353906 2011 11485430.986475097 2012 119173220.86040683 2013 -33850925.2973861 2014 29055329.190536667 2015 -1614282.8999211981 2016 44134204.77778803 2017 19125370.780041035 2018 72202164.69952212 2019 18226489.672117922 2020 17355052.585843213 2021 16966652.85683838 2022 17013521.834612906 2023 11077276.856919771