Year	constant 2015 US$
1990	59665369868.61154
1991	54873986523.566376
1992	50235276647.00799
1993	49545941488.39766
1994	48719234214.544266
1995	52978231713.211815
1996	55257301274.53927
1997	55894709924.89851
1998	57118616655.45176
1999	60771996920.92561
2000	62721209358.78639
2001	63799454252.72156
2002	66581898557.53516
2003	69323681288.56145
2004	73228588253.17087
2005	77063973509.78249
2006	81449862088.56854
2007	86234665816.41528
2008	90028693513.77382
2009	91902015761.08136
2010	96158552529.73769
2011	102401787920.15706
2012	108491642171.66125
2013	115602401207.25974
2014	122405621858.3585
2015	132071621988.43617
2016	141346843369.32834
2017	150816898582.4057
2018	162595535221.4926
2019	175167361506.43973
2020	171852522251.75565
2021	182394809114.67267
2022	190478287121.36108
2023	199705310437.00302
