Year	current US$
1989	1786979143965.235
1990	1085026222558.4644
1991	958307153962.2932
1992	1078335241754.886
1993	1215564464251.658
1994	1404640331620.0476
1995	1542718866191.5618
1996	1743603123679.167
1997	1915733727476.4954
1998	1948754654922.4207
1999	1870123817782.9016
2000	1916473676381.3452
2001	1875365622642.896
2002	1792212918963.73
2003	1822450074883.8926
2004	1982189359338.9448
2005	2233753107836.4775
2006	2593520437045.181
2007	3050723472891.965
2008	3542898602971.447
2009	3645466554775.156
2010	4088326843655.1772
2011	4586961124685.311
2012	5120218035881.876
2013	5420770139291.133
2014	5381430935959.243
2015	4967448440744.761
2016	4592421099272.794
2017	4565467539372.224
2018	4776803156265.47
2019	4866109932498.488
2020	4285703562167.819
2021	4567015253218.485
2022	4946443659452.472
2023	5424486580422.363