Year	current US$
1989	876402463262.6858
1990	957593725702.9581
1991	1031036432080.7441
1992	1119017965058.7583
1993	1348397983096.44
1994	1592910332496.895
1995	1697838269009.4565
1996	1853063931965.1028
1997	2021893648691.2512
1998	2038842311934.9253
1999	1810327579938.6973
2000	2001496152611.1223
2001	1951435655114.424
2002	1757081641119.6233
2003	1793945251035.72
2004	2043684160277.3213
2005	2470502060472.1943
2006	2881093926514.8926
2007	3401597415158.7314
2008	3931407891415.476
2009	3643244830292.974
2010	4556436688834.757
2011	5320445093655.743
2012	5297857656983.353
2013	5436631031505.861
2014	5457289044548.768
2015	4634564315170.454
2016	4496975505130.538
2017	5012883307321.985
2018	4870399271215.6045
2019	4804547155275.127
2020	4046822646872.3726
2021	4690738841614.132
2022	5389510951677.686
2023	6050580948759.951