Year current US$ 1995 7853767866.193613 1996 8295451877.427708 1997 9926974536.03798 1998 10988111350.884764 1999 10710222701.76953 2000 11317713422.52913 2001 12072044022.442814 2002 14108872921.949844 2003 18315975183.305134 2004 22097516145.05713 2005 25663070033.58627 2006 29573019199.397663 2007 38144798850.574715 2008 46287801843.992386 2009 38232906588.82402 2010 36887284560.47602 2011 42261715400.66047 2012 41584616578.17448 2013 45495776757.2547 2014 47960568992.363594 2015 39940688841.87498 2016 41513241212.61956 2017 46031954861.71773 2018 52084496480.76545 2019 52901803474.705795 2020 55325495240.972916 2021 64252038543.15401 2022 68451885058.58392 2023 75164374517.97664