Year	constant 2015 US$
1977	483070711.46055406
1978	532884676.8023949
1979	553095577.2727917
1980	540813934.6071978
1981	574940663.1285105
1982	586935892.2704982
1983	616079512.9910382
1984	660841223.6861017
1985	715610191.7987971
1986	818672509.7018722
1987	850795019.9066511
1988	969052667.6352701
1989	1056083328.446866
1990	1160537378.3762987
1991	1164897262.3239992
1992	1257542419.4683783
1993	1264876403.8182576
1994	1285096214.1090364
1995	1307562598.5147104
1996	1345777265.5546582
1997	1336435819.9094617
1998	1420450473.0366046
1999	1458385073.2454312
2000	1459096014.8733914
2001	1409369089.4210594
2002	1415238413.9427521
2003	1475592833.9176006
2004	1582830198.4140322
2005	1576335771.3007903
2006	1673993828.109414
2007	1702311418.6390035
2008	1786564291.1736052
2009	1736024182.0103936
2010	1741753383.7753139
2011	1817118056.501022
2012	1815141828.8933918
2013	1778747792.806398
2014	1805796738.1267493
2015	1807640740.7407405
2016	1869604231.6787205
2017	1932789910.3957412
2018	1988585284.062889
2019	1975580731.7392316
2020	1491476526.9109218
2021	1673882763.8232536
2022	1976443434.1388092
2023	2039492177.33218