Year	current US$
1970	101213080.57520539
1971	117618606.32109381
1972	110786015.44007258
1973	139168790.50669026
1974	137808607.0532761
1975	175509694.19200042
1976	169953908.89672396
1977	190560461.57838234
1978	246188442.5339567
1979	529217269.66707325
1980	2423509387.953119
1981	1698505689.5636802
1982	1260748390.3815577
1983	1218438624.6863785
1984	1047636606.9965359
1985	713508373.3258866
1986	891580584.366165
1987	803247801.5250343
1988	561377484.6983615
1989	1294035494.0245566
1990	1413799000.582048
1991	998373766.9993898
1992	1340875126.9164999
1993	1538979542.6073756
1994	1157857170.700058
1995	340474829.6522222
1996	469814812.7444351
1997	432772553.52162105
1998	539088328.2026806
1999	525897483.35992295
2000	552294485.9584519
2001	789059496.7234066
2002	587094684.6511633
2003	874597795.9321488
2004	1071242869.8154484
2005	1132427668.2955792
2006	1299050304.8047154
2007	2244649137.359689
2008	4053123143.8437934
2009	3573472351.925044
2010	2584114087.2269673
2011	2851685057.0399
2012	2705511834.0437193
2013	2454249819.72124
2014	2288965024.575558
2015	2146785000.2524602
2016	2248541715.745827
2017	2390107389.501654
2018	2894013271.129792
2019	2996931493.815164
2020	2548705971.368535
2021	3371783184.6917295
2022	2984332192.6045766
2023	3253729305.4448442