Year	current US$
1990	1563636363.6363635
1991	1038000000
1992	78791512.91512914
1993	473318329.5823956
1994	280521581.30204266
1995	309275197.14877725
1996	381748160.13428605
1997	499702035.56754386
1998	673946756.2677695
1999	715262616.9097596
2000	798810054.636015
2001	778896981.3715416
2002	773532037.804321
2003	901495297.0332314
2004	1119776614.5379648
2005	1380443209.9561994
2006	1791828260.2734358
2007	3192662132.745384
2008	4149972006.523697
2009	4926827265.5679455
2010	5757288811.3630705
2011	6679490329.067503
2012	7334483131.69434
2013	7626115142.484586
2014	8190507517.71856
2015	6585825775.647007
2016	4859117064.25054
2017	4634852758.757927
2018	4931009513.434278
2019	5358647058.823529
2020	6924352941.176471
2021	7602882352.941176
2022	9174882352.941177
2023	10139235294.117647