Year current US$ 2005 18140000.68418681 2006 15579999.551176997 2007 17880000.30443074 2008 25729999.721050244 2009 169999.99992549408 2010 2029999.982565646 2011 2260000.018402937 2012 2589999.966323372 2013 2499999.9906867757 2014 1800000.0119209292 2015 1590000.052005055 2016 2439999.8839944648 2017 3129999.9933689833 2018 2259999.9736994463 2019 3269999.9213218647 2020 2910000.0560283633 2021 7789999.967440964 2022 2149999.996647236