Year current US$ 2005 37540000.66034501 2006 22420000.052079547 2007 50009999.64214866 2008 43009999.37579034 2009 36879999.332129955 2010 32610000.304877777 2011 66699998.795986176 2012 32999999.655410677 2013 40170001.128688455 2014 45110001.25482686 2015 49650000.88512897 2016 61390000.04343687 2017 124679997.99363324 2018 121190005.3247809 2019 138910002.70843503 2020 152089998.84128565 2021 178479999.71359968 2022 409229992.890731