Year current US$ 2005 2910000.08583069 2006 4420000.07629395 2007 4590000.15258789 2008 2680000.0667572 2009 1429999.94754791 2010 1269999.98092651 2011 1309999.9427795399 2012 910000.026226044 2013 750000 2014 720000.028610229 2015 629999.995231628 2016 579999.983310699 2017 509999.99046325695 2018 550000.011920929 2019 569999.992847443 2020 850000.023841858 2021 1820000.05245209 2022 2190000.05722046