Year	current US$
1986	2114290463.4592767
1987	2250946642.4928517
1988	2308259449.574396
1989	2445669340.550443
1990	2144674610.3086183
1991	1340594874.790343
1992	906184212.3012908
1993	1024263065.1766603
1994	1216680599.5551054
1995	2035219959.6248991
1996	2823912223.3824477
1997	2532885528.897365
1998	2700757967.224475
1999	2956593291.6884713
2000	3406993378.955405
2001	3906029740.860991
2002	4175916869.958048
2003	5006223194.915948
2004	6361564926.478454
2005	7887616711.304404
2006	9130490634.756165
2007	10274253836.052105
2008	11892990139.317253
2009	12529413394.348454
2010	12709390046.2596
2011	12803937514.429876
2012	12658293562.473967
2013	13156891247.911154
2014	13115548996.595732
2015	12635760849.225489
2016	12420735753.691444
2017	12329821974.26812
2018	13932831359.041908
2019	14933195208.447987
2020	14946210782.238642
2021	17145585256.28059
2022	18815089737.634613
2023	20773695503.253784