Year current US$ 2005 20419999.431818735 2006 469999.9839067457 2007 25569999.301806096 2008 4620000.174269083 2009 11699999.835342174 2010 7499999.813735489 2011 7980000.132694836 2012 2530000.034719701 2013 2549999.9523162805 2014 1839999.9681860202 2015 5290000.107139351 2016 7399999.858811498 2017 6130000.116303567 2018 39460000.66585841 2019 45119999.459013395 2020 28790000.339969993 2021 64310000.67107379 2022 37599999.880418174