Year	current US$
1975	719431435.7401861
1976	954399067.058728
1977	1234259451.1683342
1978	1496041251.76353
1979	1989156895.1631444
1980	2861008078.800979
1981	2635210102.845536
1982	2828422272.454718
1983	3166884007.527713
1984	3127603094.490872
1985	3274386966.812665
1986	3135796918.5331316
1987	3265849101.9343696
1988	3718831246.983264
1989	4092077280.875313
1990	4609502443.275946
1991	4905450697.877685
1992	4893301119.160127
1993	5034394494.503494
1994	6031261038.869192
1995	6763272430.076762
1996	7179007359.627045
1997	8925527196.38296
1998	11066917255.962313
1999	14005992417.752693
2000	16031394225.686255
2001	16799112201.57049
2002	19125314434.882076
2003	23632701560.23788
2004	37747867268.54015
2005	51850802483.404816
2006	69165839662.63028
2007	86235067782.96344
2008	105668590831.96718
2009	92484320177.11865
2010	116583081982.72083
2011	137935254028.86588
2012	145029213187.9955
2013	148702915003.59912
2014	156614386265.6594
2015	155717122914.2796
2016	161234203967.054
2017	184672831370.24246
2018	204322540308.13623
2019	214127968224.74124
2020	202492396705.06198
2021	239853747442.248
2022	308672880014.03467
2023	336917502842.95544