Year	current US$
1990	10134857349.746561
1991	7075513620.78909
1992	9557067598.160593
1993	11411309710.835936
1994	14078375230.154594
1995	20324792765.636776
1996	23201560496.883427
1997	20265027477.554214
1998	20726986605.206745
1999	19595680548.002266
2000	19286134393.906025
2001	21094445481.481873
2002	24468853280.22579
2003	29417490871.70761
2004	34470190429.497505
2005	39481496322.63935
2006	44447281771.672356
2007	56928159970.828384
2008	69265040974.24393
2009	57282589309.13288
2010	56760017279.07007
2011	61419197460.80769
2012	54627506065.63657
2013	53683223545.54251
2014	53184728411.41756
2015	49900299811.982315
2016	48955445156.31866
2017	54474197550.22894
2018	65486859513.95723
2019	68358839625.41835
2020	65299899828.73946
2021	73288577601.1193
2022	77868347818.6411
2023	89187925383.94844