Year	current US$
1987	2592.1425678412315
1988	3125
1989	3024.095210223393
1990	2250000000
1991	1700000000
1992	1952499999.9999998
1996	1026082086.5669253
1997	965626204.2389209
1998	948326290.4396765
1999	692214488.6903889
2000	629901340.7538579
2001	674861807.6938105
2002	653375385.7014358
2003	770395917.3210915
2004	840306761.2687813
2005	946887886.6868026
2006	867373273.804743
2007	935472902.5939662
2008	1040453664.8975847
2009	872260604.2429543
2010	1101768010.8531358
2011	1507118669.1926153
2012	1447116077.5602603
2013	1614215047.9454112
2014	1653634575.489036
2015	1300425850.3125575
2016	1236069463.0766141
2017	1139711190.3287532
2018	1353717103.965279
2019	1293857796.538025
2020	1331551693.0893657
2021	1362574497.8111708
2022	1657065359.0288732
2023	1834178134.7093081