Year	current US$
1980	6372623.77928044
1981	8391639.54653682
1982	10831267.4454765
1983	10793691.3318891
1984	3509447.1900273
1985	11747706.1983381
1986	17546344.272328
1987	30674382.4354351
1988	23541413.6179625
1989	30773505.5493857
1990	29694738.6473735
1991	29175436.2307479
1992	27091202.7116822
1993	38633005.742082
1994	44028842.8102105
1995	44484842.058858
1996	50549609.3899778
1997	40480698.6186828
1998	39142485.8413778
1999	37147452.5979098
2000	43211812.163776
2001	62319591.4742351
2002	79936893.4163709
2003	94298524.2061427
2004	103738305.504963
2005	85798090.2184943
2006	93522501.7897279
2007	117160325.121415
2008	112160321.638918
2009	150269705.541147
2010	145262103.989772
2011	155178104.741795
2012	194056101.081483
2013	173374062.456823
2014	170461228.43982
2015	199948687.653927
2016	158748647.998012
2017	207129593.538287
2018	198471475.184707
2019	201150327.333998
2020	293245492.908619
2021	328618435.642237
2022	282697284.769928
2023	323367095.524326