Year constant 2015 US$ 2001 160857868696.7112 2002 169192553069.56964 2003 191571097746.04385 2004 232572181852.53217 2005 260760257897.862 2006 274079304132.26724 2007 297151755369.39557 2008 322100997104.82434 2009 316076763433.473 2010 328070355650.87683 2011 265355510970.40414 2012 288266093496.1985 2013 302100267514.17896 2014 310157381846.8127 2015 294938646229.49945 2016 289452425644.9261 2017 309724089476.10583 2018 344088885087.4422 2019 345236438154.8054 2020 321153672128.2748 2021 361123687838.6621 2022 422045080557.95483 2023 444740598259.67395