Year current US$ 2008 859999.9919533725 2009 2520000.0442564525 2010 2299999.9895691876 2011 2610000.0478327298 2012 1940000.0497698793 2013 2030000.0216811919 2014 1519999.9511241936 2015 1640000.0415742418 2016 1730000.0153481993 2017 2309999.9576807045 2018 1750000.0018626428 2019 2110000.006854529 2020 1569999.9462813116 2021 4259999.906644225 2022 4310000.006109474