Year	constant 2015 US$
1970	4565581188245.064
1971	4762426352206.604
1972	4999320961206.701
1973	5280705103120.544
1974	5327274283295.116
1975	5322243412139.142
1976	5554550490397.071
1977	5717727731234.551
1978	5950534258119.9375
1979	6109872811903.43
1980	6128716003133.673
1981	6071201233583.008
1982	6117515647324.922
1983	6224367459136.319
1984	6365943646658.499
1985	6516886692894.709
1986	6835225889968.336
1987	7031148418551.733
1988	7349104791483.706
1989	7632782664103.786
1990	7959888313923.912
1991	8173985029119.656
1992	8354147929222.038
1993	8328064993497.914
1994	8501775027899.608
1995	8714642859420.998
1996	8873928466206.553
1997	9112193695832.38
1998	9407964108607.998
1999	9701385570827.213
2000	9969329018404.768
2001	10180437587943.771
2002	10282170882003.67
2003	10378468882153.486
2004	10646669257584.635
2005	10802990485484.85
2006	11133747312458.715
2007	11456039076290.094
2008	11389351495691.135
2009	11055191274066.334
2010	11234557631930.262
2011	11347925248557.816
2012	11246074039883.148
2013	11267623733529.74
2014	11450202619180.248
2015	11740444698500.703
2016	12039060135347.715
2017	12317970806762.582
2018	12540627426083.646
2019	12748791149371.84
2020	11964796318100.672
2021	12683267438393.883
2022	12774834674929.215