Year	current US$
1989	410834210940.00006
1990	380190654543.3333
1991	339919886363.63635
1992	320042089093.70197
1993	363109342424.95496
1994	523523355459.13544
1995	784155867215.4496
1996	868924671574.9677
1997	906248234959.072
1998	884246210352.7997
1999	610749612968.0645
2000	670285386485.247
2001	572263312552.7742
2002	505498601269.7736
2003	545834354332.6915
2004	646444765973.6237
2005	861310591647.1888
2006	1077643836214.0498
2007	1378075464726.7827
2008	1699069888704.5083
2009	1673718323940.647
2010	2231831935162.432
2011	2636284401872.5166
2012	2498735067424.6533
2013	2529731379131.381
2014	2521411826505.598
2015	1822996094747.549
2016	1788516526790.9238
2017	2048694784590.6594
2018	1909385096357.9263
2019	1885360039305.6506
2020	1467176406503.0525
2021	1661249506441.957
2022	1943228823017.9492
2023	2122223418242.1042