Year	current US$
1979	53585699.02767934
1980	72637477.61763936
1981	87254348.01408072
1982	90611635.12702733
1983	90883266.35243812
1984	98417532.1875549
1985	108608710.82687227
1986	129716620.54976146
1987	155564680.91890594
1988	182438062.8693092
1989	184086103.60769477
1990	197899422.54425848
1991	208283229.94721457
1992	225925068.80430597
1993	241475909.71448997
1994	248009758.2176124
1995	264289169.94501072
1996	275768456.7012281
1997	283199926.72071093
1998	294595692.7782197
1999	293329173.5823967
2000	294217097.46010613
2001	311236586.1360417
2002	298061993.8623022
2003	327965320.20759314
2004	348579485.48823094
2005	356700475.81811696
2006	388113954.49489903
2007	407477273.0830029
2008	449090378.725585
2009	462243714.01822096
2010	476765603.2579883
2011	490846538.29778975
2012	486319847.6083203
2013	475772293.6682706
2014	500641683.1033101
2015	489397211.1281228
2016	519425266.54998994
2017	520762511.8317957
2018	559074807.1919001
2019	589597300.3819149
2020	515769765.487456
2021	563705637.0780971
2022	616174071.7131768
2023	651217745.7746115