Year	current US$
1993	1319427266.338721
1994	2156744572.3098826
1995	3464486274.509804
1996	3471577946.7680607
1997	3344076130.0555115
1998	3568959615.1694818
1999	3520209515.842865
2000	3411852464.4549093
2001	3251006214.3874054
2002	3729646302.4992223
2003	5201090188.2223425
2004	6548195355.541329
2005	7295808158.779763
2006	7402146811.538814
2007	9039614216.11101
2008	9967377466.47031
2009	8510940021.762494
2010	8529197032.500016
2011	9919223463.463055
2012	8619337565.539455
2013	9416532209.620419
2014	9847763150.373692
2015	8855455090.105465
2016	8887842016.749826
2017	9950192263.511782
2018	11050598777.541168
2019	11199113287.576452
2020	11040066678.270847
2021	12762121585.088942
2022	12499321926.752968
2023	11674595772.972755