Year current US$ 2006 5179999.9438226195 2007 7169999.9962002 2008 7110000.05342066 2009 7440000.1168251 2010 7510000.00536442 2011 4919999.99433756 2012 5170000.00923872 2013 7060000.02101064 2014 6259999.99977648 2015 4861608.39162767 2016 5128062.78467178 2017 6588253.83381918 2018 6733978.45495492 2019 7274001.8479526 2020 7310201.37434825 2021 7178097.46228158 2022 8611205.667257307