Year	current US$
1994	94582800921.2604
1995	91226201259.62688
1996	81409939960.89322
1997	68640699424.502174
1998	65708569477.32444
1999	73065874908.25833
2000	75413745586.48175
2001	59824453278.191444
2002	57576482598.015755
2003	58710381382.43045
2004	60232177682.47484
2005	53708008296.27049
2006	49812853559.73768
2007	48241453544.90524
2008	53829594763.90656
2009	57249057124.01718
2010	63826702874.66233
2011	67334928823.2981
2012	70429476440.89072
2013	55600834051.07088
2014	48803725389.167145
2015	45965919991.16689
2016	56290438046.634415
2017	55641568300.40688
2018	52639310285.08821
2019	53173266353.01716
2020	53908897398.9363
2021	51014846651.43687
2022	43313160024.76673