Year	current US$
1995	18532500337.8295
1996	19944703923.0529
1997	20041956998.6137
1998	21459720273.7074
1999	19248785860.1315
2000	17620115212.4508
2001	18338813596.9415
2002	21840749586.9998
2003	27605858171.679
2004	33527580243.1448
2005	37497112295.2276
2006	41178249386.5818
2007	49262817906.2541
2008	56870629025.2137
2009	49768010443.069
2010	47722089786.4754
2011	49987928546.6757
2012	45268731459.6454
2013	47695172173.2447
2014	47505694129.8697
2015	42022305888.2797
2016	42729714665.9972
2017	46809759930.8434
2018	51791465921.4454
2019	51791357756.9752
2020	47876177437.524
2021	56452688748.266