Year	constant 2015 US$
1965	30369936825.109737
1966	30944307414.3187
1967	32503755930.125565
1968	34114026313.686565
1969	34213397982.14779
1970	35503844510.783066
1971	36745336036.115395
1972	39151897573.92722
1973	38214002413.22253
1974	40299109702.09262
1975	40473244993.37116
1976	44870437048.785225
1977	43735859946.491646
1978	45157109477.77549
1979	46683767848.690735
1980	48465751605.503
1981	48151384282.630806
1982	51458721899.495026
1983	52054187339.27965
1984	55011547686.755905
1985	59584704502.88723
1986	62451372633.3447
1987	61951516005.502914
1988	64638820952.1529
1989	67661025316.23936
1990	72235435829.18343
1991	74872014608.08946
1992	78204673337.79012
1993	77839628092.78035
1994	83796010205.46288
1995	81754480545.33513
1996	87101415873.62787
1997	85555890555.92023
1998	94596595091.60614
1999	92641320868.26965
2000	91199496954.13672
2001	94731389674.26608
2002	101565467964.59053
2003	103210524386.26773
2004	105749838912.40154
2005	112397377660.62328
2006	120331534770.6944
2007	115471991403.72182
2008	108605968930.92224
2009	118429911093.50327
2010	122335877426.22238
2011	129535690173.72493
2012	133473336972.24977
2013	142146967969.78033
2014	142881888290.036
2015	142231066581.11038
2016	143578544911.8887
2017	147113512042.4309
2018	150953409038.70633
2019	160695441296.78934
2020	165211198487.4757
2021	163795602221.2141
2022	161915837272.89813
2023	168073585255.67508