Year constant 2015 US$ 2006 543788538.520671 2007 977637591.4566997 2008 1286203871.1535113 2009 914463688.8955947 2010 744906648.1647223 2011 691471124.0001252 2012 674664105.8672696 2013 746802118.5583427 2014 727845211.8674705 2015 814804459.3563048 2016 1127754220.8466136 2017 1338897066.9942858 2018 1535122858.5160472 2019 1508889151.772503 2020 1328571654.4781966 2021 1165083202.863447 2022 1166503979.625661 2023 1222024411.085507