Year current US$ 2007 999406761.967592 2008 1140706812.6416686 2009 1137294904.8632443 2010 1099130294.9065397 2011 1228294768.559323 2012 1186188547.8825426 2013 1265998424.2679586 2014 1266376108.725891 2015 1091409946.7877138 2016 1184702059.866435 2017 1375026217.465268 2018 1510939796.022589 2019 1507745856.2718081 2020 1331846422.2130098 2021 1547459996.961378 2022 1690319913.5874314 2023 1931800935.2328053