Year	current US$
1976	39173012.97243803
1977	45757618.05996115
1978	57828969.1989908
1979	84447900.95773491
1980	98786749.77745447
1981	92671967.89668919
1982	97772478.80898742
1983	87782421.11506489
1984	87652876.87103327
1985	98778680.50173716
1986	105551554.91718031
1987	113196061.86276877
1988	159119527.10535598
1989	164754981.5196192
1990	186209222.58239803
1991	172126486.11122665
1992	191505105.52724573
1993	238319431.72030362
1994	206173108.11345384
1995	232934332.93433294
1996	378655506.14700496
1997	340434455.1166634
1998	383025788.18342483
1999	433699578.8488535
2000	503612558.82013726
2001	644659483.4488597
2002	595567581.4360973
2003	610557820.3782942
2004	684576309.0909091
2005	919168709.0909091
2006	1021809495.8921621
2007	948944629.6556067
2008	1084488354.587061
2009	991699603.3781192
2010	1048324663.8128362
2011	1187202746.911566
2012	1297822757.4061966
2013	1357353290.4587405
2014	1584249275.8903189
2015	1395023128.0407543
2016	1498180127.1060236
2017	1734555858.7211077
2018	1760460019.134337
2019	1701471825.8421962
2020	1201944067.3835733
2021	1539328140.152642
2022	2012397144.3574996
2023	2079750830.9072456