Year current US$ 2005 6939999.880269172 2006 9079999.96840954 2007 10189999.934285883 2008 12420000.081881877 2009 15709999.861195682 2010 11620000.16681851 2011 9169999.964535238 2012 8019999.977201231 2013 7929999.928921469 2014 5309999.987483015 2015 3849999.934434885 2016 4680000.111460678 2017 4129999.9933689823 2018 4469999.98390675 2019 4399999.964982278 2020 4309999.885037541 2021 5859999.954700466 2022 3480000.0209361347