Year	constant 2015 US$
1960	419547824.3250937
1961	498275721.74909705
1962	806651770.617774
1963	617142012.5783372
1964	773266185.6292458
1965	864920423.066746
1966	901609941.6406682
1967	1017779628.8488035
1968	1373225204.6780376
1969	1264967317.7890224
1970	1175433199.4494393
1971	892333122.6140542
1972	395812458.0815823
1973	777695679.4928014
1974	1923487525.2198896
1975	1498609735.8107781
1976	1772122350.0651832
1977	2236849663.5987096
1978	2814195186.164084
1979	3134408919.94874
1980	3681276651.6395826
1981	4522681614.306143
1982	4911184160.634122
1983	5132784576.5928135
1984	5643806443.007165
1985	5978132928.324025
1986	6313732755.193273
1987	6963423433.953047
1988	7070100551.107303
1989	7418346488.1230545
1990	7827498680.65142
1991	8019992731.022712
1992	8341393343.149423
1993	9272626713.023048
1994	10129189637.643576
1995	11102418653.89846
1996	12429343738.369759
1997	13232210411.041624
1998	14438083391.6581
1999	15677824089.917397
2000	16793723064.785173
2001	18126258270.85657
2002	19471247075.878708
2003	20962229392.46899
2004	22682930727.66149
2005	24897610401.693512
2006	27359474509.935474
2007	29314819895.16662
2008	32192100519.64972
2009	34570499471.62908
2010	37531332036.61731
2011	41119682849.15031
2012	45465099725.172806
2013	47904139465.158035
2014	52625116997.70394
2015	56371394212.36659
2016	61393731509.27445
2017	66525985717.01814
2018	74597517852.43176
2019	79730036130.42531
2020	82876081063.72823
2021	89581401749.83168
2022	100020656208.06276
2023	102232068503.72794