Year	current US$
1980	7084153846.153847
1981	7081357142.857143
1982	6631000000
1983	6153111111.111112
1984	7061055555.555555
1985	7341684210.526316
1986	8106529411.764707
1987	11461076923.076923
1988	10277764705.882353
1989	10207166666.666666
1990	6833181818.181818
1991	4758064516.129032
1992	4876288659.793815
1993	4138580850.909618
1994	4368450184.501845
1995	6141757603.727799
1996	5962695838.416092
1997	5610104531.8955765
1998	6304226753.8762
1999	5825652718.071503
2000	4797546243.42113
2001	4947372829.687079
2002	5519181983.413378
2003	7277448747.678481
2004	10713332855.059555
2005	12703010482.595816
2006	16151246707.587605
2007	23262813855.843246
2008	28590187694.868885
2009	21963850651.03093
2010	25430233172.913982
2011	33942571347.235073
2012	32760867108.97983
2013	36060911930.46785
2014	36920739709.27863
2015	32421689925.11913
2016	34473444450.732925
2017	39745419626.86998
2018	43611497494.11268
2019	44046291568.88558
2020	39498545815.5697
2021	51602387978.47252
2022	62514132120.16798
2023	61847387271.035934