Year constant 2015 US$ 2000 307633522.5485683 2001 311260259.13106084 2002 297440358.5980451 2003 278428996.25598586 2004 294052979.20129395 2005 310113944.6856095 2006 324067343.384292 2007 246072514.9095426 2008 232821019.41414088 2009 165155365.70518067 2010 155432504.21226433 2011 172126329.65869743 2012 149958205.45484814 2013 159735689.76514044 2014 156458320.72258437 2015 165785713.01769897 2016 158978617.51631 2017 174117877.58022404 2018 189783701.60364208 2019 187914508.7930376 2020 172111035.2698322 2021 188303423.25275424 2022 195335564.76173207