Year current US$ 2005 6369999.9749660455 2006 2659999.97407198 2007 2869999.989867209 2008 6409999.936819073 2009 4359999.965876341 2010 4140000.058338047 2011 4410000.000149008 2012 5260000.031441454 2013 5139999.9633431425 2014 5459999.987855556 2015 6590000.027790667 2016 5500000.031664967 2017 5529999.898746617 2018 4539999.99910593 2019 8139999.885112053 2020 25910000.314936005 2021 10779999.859631069 2022 20829999.953508377