Year	constant 2015 US$
1989	2525263336.921333
1990	2614368017.8404036
1991	2589722058.0076365
1992	2952460072.663674
1993	3277281231.729361
1994	3175537598.9468403
1995	3131301304.415159
1996	3336684327.681812
1997	3590095382.8257318
1998	3332892664.3170137
1999	3312670311.743179
2000	3311227612.389457
2001	3536376748.708156
2002	3511944889.2768903
2003	3734581194.1383047
2004	4049428781.183416
2005	4017715362.6582556
2006	4332760404.427487
2007	4701438780.465322
2008	4723936116.261878
2009	4960726943.416994
2010	5097237921.667993
2011	5368456448.492246
2012	5568614504.600498
2013	5826412842.436267
2014	5796980473.558473
2015	5798884073.223649
2016	5553048280.903396
2017	5898569930.37806
2018	6007626046.224009
2019	6225028210.309267
2020	6046770169.112388
2021	6773940728.381745
2022	7291514466.641296
2023	7643169493.374577