Year current US$ 2005 15829999.9199808 2006 19190000.0218302 2007 45549999.80703 2008 20929999.9549985 2009 32340000.1376867 2010 36080000.3260374 2011 40899999.9202788 2012 40757885.519415095 2013 48674595.0728655 2014 42484696.5931356 2015 44065769.8474824 2016 38069409.6325897 2017 33853300.127899304 2018 7371313.60266358 2019 40562271.4832425 2020 0 2021 0 2022 2249432.0007972433