Year current US$ 1998 5500000 1999 7873673.73713044 2000 1101304.34782609 2001 26684782.6086956 2002 68695859.2550305 2003 79355447.0978752 2004 202508011.372653 2005 176948504.051605 2006 155191920.280668 2007 178029700 2008 224595247.178827 2009 199618694.316196 2010 266242560.547642 2011 249642620.819919 2012 323836415.058263 2013 257134721.743118 2014 255121827.019504 2015 260910769.826183 2016 259876359.186202 2017 273364998.118359 2018 440554140.269688 2019 560930420.374501 2020 548833335.411408 2021 471162099.435259 2022 399224608.067344 2023 440000000