Year	constant 2015 US$
1975	1496187893.5959406
1976	1761252962.7135177
1977	2099291062.9296443
1978	2259525602.8707085
1979	2528590711.526371
1980	2690455339.4865427
1981	2895134734.995441
1982	3109178273.6077228
1983	3303863039.065669
1984	3668532197.2366447
1985	3900749218.9561157
1986	4096606451.0355563
1987	4388982347.183739
1988	4777734214.800067
1989	5293143397.906931
1990	5820829409.733876
1991	5960043439.723109
1992	6564703990.678268
1993	6693884890.100379
1994	7235082680.36816
1995	8089415667.789933
1996	8253261077.72484
1997	8641732077.66874
1998	9240662942.900658
1999	9765464353.709528
2000	10548658380.868984
2001	10903190180.505411
2002	11226557035.491522
2003	11405682567.8096
2004	11941953244.144117
2005	12623710016.932766
2006	13334529380.804874
2007	14034348190.54616
2008	14781846148.255836
2009	14925326989.795464
2010	15500059226.73233
2011	15832840740.349302
2012	15516504351.31871
2013	14687956931.359957
2014	14557811693.400574
2015	15035001413.720243
2016	15815670332.409307
2017	16692451082.52358
2018	17463360877.01833
2019	18320595436.1386
2020	17675890365.12743
2021	19771979194.6719
2022	20970007106.886604
2023	21469905138.790817