Year constant 2015 US$ 1997 938640039.0955663 1998 665136109.2554394 1999 767464339.7246237 2000 785504767.9798086 2001 820287267.8658776 2002 817779012.2961476 2003 784198025.7945085 2004 855601547.3553069 2005 863814775.6135485 2006 941649463.0211109 2007 960015968.5191915 2008 1031223511.7305772 2009 986003994.563092 2010 1065654598.0747527 2011 1079203299.778803 2012 1082233781.801151 2013 1079384685.5366044 2014 1112186494.0221717 2015 1201671080.6016562 2016 1294913484.6110573 2017 1368685409.6279202 2018 1388082321.8940897 2019 1393106737.8846085 2020 1400936420.5780656 2021 1557002344.6998851 2022 1650923016.7499163 2023 1731288476.6363342