Year	constant 2015 US$
1981	78594933153.05266
1982	81527092517.3956
1983	81955937924.58337
1984	80200960587.11656
1985	82729010477.41489
1986	85869012958.86325
1987	87068538252.34387
1988	89888479122.75937
1989	91588234578.57
1990	95174595529.06047
1991	96931785930.96817
1992	98606965829.36151
1993	99073156496.20366
1994	100950480053.37036
1995	103526000110.99678
1996	106215608142.06462
1997	110611925063.78189
1998	115322905078.53963
1999	119556053019.14778
2000	124247701523.65814
2001	132291597088.77179
2002	144135721688.3217
2003	148838879583.9748
2004	172322941173.38153
2005	187872405066.0731
2006	208167173856.48288
2007	231667413690.76035
2008	257511041163.12314
2009	282480131629.2523
2010	313180251651.86444
2011	327661579573.6118
2012	346207897786.5175
2013	373701137357.30615
2014	398196641838.36554
2015	410896874671.3692
2016	413945135413.0732
2017	415922300974.3953
2018	425935589645.18207
2019	439298353892.6427
2020	431727788099.0983
2021	456059621081.32245
2022	484929122030.71875
2023	506898294346.07666