Year	current US$
1980	182362924.379619
1981	179994881.607817
1982	160958650.292284
1983	170548173.347532
1984	189766411.315168
1985	185994314.414828
1986	208926175.928637
1987	254173023.482422
1988	290264639.910672
1989	333836628.649023
1990	503774259.651468
1991	547383059.606772
1992	633012890.284386
1993	683871391.46785
1994	705237788.641227
1995	750009250.879717
1996	782103052.803726
1997	801344455.493061
1998	839281483.350987
1999	878004798.609666
2000	898436242.052371
2001	923091660.977187
2002	981799348.032502
2003	1015377536.74665
2004	1066095156.12463
2005	1126652276.65207
2006	1188982416.19029
2007	1233815273.2266
2008	1212403315.00909
2009	1272329577.89991
2010	1252206977.84327
2011	1325150528.75013
2012	1407558302.06869
2013	1537304046.89143
2014	1628314625.09173
2015	1767906855.51798
2016	1788574891.23488
2017	1788055755.89788
2018	1780520259.98978
2019	1862752441.77071
2020	1651532601.28744
2021	1929542245.60458