Year constant 2015 US$ 1995 257712106.6699219 1996 264236042.46679688 1997 324846512.65585935 1998 426067373.6675781 1999 367472888.4007812 2000 419101851.7402343 2001 337653619.9523437 2002 390868077.2124999 2003 429242799.5605468 2004 436271563.7226562 2005 436866262.6320312 2006 470028493.41992176 2007 597343988.1062498 2008 609742794.6589842 2009 495845748.8718748 2010 541908286.0390623 2011 586856872.2640623 2012 596592847.8792965 2013 566998810.5476559 2014 636505355.0937496 2015 654228714.0085934 2016 498589574.2503904 2017 532636086.8121091 2018 476863092.82617164 2019 585575384.8753903 2020 609520892.080859 2021 491386616.56445277 2022 374868901.32968724 2023 414566163.0433591