Year constant 2015 US$ 2008 181096094682.2143 2009 176982920867.23492 2010 193122194679.2368 2011 210296145098.48563 2012 247413021339.8448 2013 258774466444.40244 2014 280194692886.72614 2015 297869588713.44183 2016 325171239469.0992 2017 353946583851.1479 2018 383402686522.72217 2019 388865496292.07544 2020 391113633471.0953 2021 428531409410.5353 2022 458634639835.8333 2023 504458874242.8633