Year current US$ 2005 37540000.660345 2006 23080000.0783056 2007 50069999.6408075 2008 43009999.3757904 2009 37009999.3273616 2010 32610000.3048778 2011 66699998.795986205 2012 33039999.6545166 2013 40170001.1286885 2014 45380001.2487918 2015 49650000.885129005 2016 61400000.043213405 2017 124679997.993633 2018 121190005.324781 2019 141630002.617836 2020 152089998.841286 2021 178479999.71359998 2022 409229992.890731