Year current US$ 2005 1759999.9457597726 2006 410000.0001490119 2007 1330000.009387731 2008 849999.990314245 2009 4410000.067204233 2010 1519999.964162708 2011 1200000.0160187487 2012 1289999.9953806405 2013 1879999.9915063386 2014 2199999.9899417143 2015 6209999.922662979 2016 8919999.970123177 2017 8680000.208318241 2018 39670000.11727215 2019 34259999.46333469 2020 31129999.74004923 2021 32819999.821484096 2022 32219999.56108631