Year	constant 2015 US$
1973	141572028.61768785
1974	154465356.8338206
1975	152906436.7654479
1976	158033965.86576957
1977	174800905.21938035
1978	172418299.26080784
1979	167437008.16001177
1980	171743634.6712734
1981	178323472.14419478
1982	193239398.61283234
1983	202134926.54147547
1984	236348435.76038986
1985	293294556.89099336
1986	337796829.31303114
1987	345622698.3365611
1988	365362544.73907024
1989	339548894.26276314
1990	372837993.5223188
1991	438715385.39805835
1992	579113652.1116112
1993	615089248.9557866
1994	690894968.6662161
1995	704444218.8058976
1996	768102333.0302367
1997	822299336.1687254
1998	850449071.8731037
1999	895418566.6384413
2000	959894309.705452
2001	994450505.3862795
2002	941503245.287622
2003	941917503.6541436
2004	962190218.9357103
2005	987382239.4209055
2006	1007111243.8211164
2007	1032821085.974582
2008	1023862773.3063017
2009	1013169755.6630346
2010	1043177519.3399911
2011	1085435345.0863957
2012	1195039541.4745986
2013	1229582964.7480736
2014	1303958480.5369675
2015	1304778050.651409
2016	1180718382.34466
2017	1379397662.339612
2018	1506394556.0967305
2019	1604651660.4029
2020	1459767551.8990052
2021	1586144851.04173
2022	1692438982.846648
2023	1658899933.5722547