Year current US$ 2006 3100000.05364418 2007 3360000.059008601 2008 4259999.930858614 2009 2789999.99165535 2010 3249999.940395355 2011 2560000.0023841863 2012 3250000.0000000037 2013 2309999.972581864 2014 2109999.954700465 2015 1786821.961402893 2016 1773138.478398325 2017 1607462.5253677368 2018 2286364.898085595 2019 2625431.9772124332 2020 2198617.190122605 2021 2149152.517318725 2022 1310992.1589493752