Year current US$ 2005 37530000.6605685 2006 23070000.0785291 2007 49979999.6372312 2008 42989999.3762374 2009 36999999.3275851 2010 32580000.305548303 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