Year	current US$
1980	160364220.48148146
1981	183221159.11111107
1982	172077947.14814815
1983	185929578.1111111
1984	238777695.99999997
1985	268966204.8148148
1986	322614800.29629624
1987	356004455.2592592
1988	403151312.9259259
1989	458048582
1990	521420084.7037037
1991	551072185.1851852
1992	611779481.4814814
1993	615096296.2962962
1994	643220851.8518518
1995	683599962.9629629
1996	712277962.9629629
1997	726242925.9259259
1998	789198296.2962962
1999	832349148.1481481
2000	887992592.5925925
2001	845608518.5185184
2002	863678185.1851851
2003	936570629.6296296
2004	997676296.2962962
2005	1063045629.6296296
2006	1213826592.5925925
2007	1268112444.4444444
2008	1365857333.3333333
2009	1356348259.2592592
2010	1442802851.8518517
2011	1548522111.111111
2012	1560508962.9629629
2013	1622408000
2014	1643485185.1851852
2015	1657440740.7407405
2016	1757844444.4444444
2017	1881303703.7037036
2018	1958655555.5555553
2019	1966981549.0244443
2020	1462425994.2322073
2021	1759696401.6326072
2022	2146903788.1732333
2023	2304525938.5244665